diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index eef0e83ac..6db651b08 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -56,13 +56,6 @@ test-linux-stable:
   <<:                              *only
   <<:                              *test_and_build
 
-test-windows-stable:
-  stage:                           test
-  <<:                              *test_and_build
-  <<:                              *only
-  tags:
-    - rust-windows
-
 test-mac-stable:
   stage:                           test
   <<:                              *test_and_build
diff --git a/core-client/Cargo.toml b/core-client/Cargo.toml
index ac64b4094..d8414b041 100644
--- a/core-client/Cargo.toml
+++ b/core-client/Cargo.toml
@@ -8,7 +8,7 @@ keywords = ["jsonrpc", "json-rpc", "json", "rpc", "serde"]
 license = "MIT"
 name = "jsonrpc-core-client"
 repository = "https://github.com/paritytech/jsonrpc"
-version = "17.0.0"
+version = "17.1.0"
 
 categories = [
 	"asynchronous",
@@ -26,7 +26,7 @@ ipc = ["jsonrpc-client-transports/ipc"]
 arbitrary_precision = ["jsonrpc-client-transports/arbitrary_precision"]
 
 [dependencies]
-jsonrpc-client-transports = { version = "17.0", path = "./transports", default-features = false }
+jsonrpc-client-transports = { version = "17.1", path = "./transports", default-features = false }
 futures = { version = "0.3", features = [ "compat" ] }
 
 [badges]
diff --git a/core-client/transports/Cargo.toml b/core-client/transports/Cargo.toml
index f92978f51..af4b3a62a 100644
--- a/core-client/transports/Cargo.toml
+++ b/core-client/transports/Cargo.toml
@@ -8,7 +8,7 @@ keywords = ["jsonrpc", "json-rpc", "json", "rpc", "serde"]
 license = "MIT"
 name = "jsonrpc-client-transports"
 repository = "https://github.com/paritytech/jsonrpc"
-version = "17.0.0"
+version = "17.1.0"
 
 categories = [
 	"asynchronous",
@@ -37,8 +37,8 @@ arbitrary_precision = ["serde_json/arbitrary_precision", "jsonrpc-core/arbitrary
 [dependencies]
 derive_more = "0.99"
 futures = "0.3"
-jsonrpc-core = { version = "17.0", path = "../../core" }
-jsonrpc-pubsub = { version = "17.0", path = "../../pubsub" }
+jsonrpc-core = { version = "17.1", path = "../../core" }
+jsonrpc-pubsub = { version = "17.1", path = "../../pubsub" }
 log = "0.4"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
@@ -46,15 +46,15 @@ url = "1.7"
 
 hyper = { version = "0.13", optional = true }
 hyper-tls = { version = "0.4", optional = true }
-jsonrpc-server-utils = { version = "17.0", path = "../../server-utils", optional = true }
+jsonrpc-server-utils = { version = "17.1", path = "../../server-utils", optional = true }
 parity-tokio-ipc = { version = "0.8", optional = true }
 tokio = { version = "0.2", optional = true }
 websocket = { version = "0.24", optional = true }
 
 [dev-dependencies]
 assert_matches = "1.1"
-jsonrpc-http-server = { version = "17.0", path = "../../http" }
-jsonrpc-ipc-server = { version = "17.0", path = "../../ipc" }
+jsonrpc-http-server = { version = "17.1", path = "../../http" }
+jsonrpc-ipc-server = { version = "17.1", path = "../../ipc" }
 lazy_static = "1.0"
 env_logger = "0.7"
 
diff --git a/core-client/transports/src/lib.rs b/core-client/transports/src/lib.rs
index 001177a33..efa360689 100644
--- a/core-client/transports/src/lib.rs
+++ b/core-client/transports/src/lib.rs
@@ -301,9 +301,10 @@ impl TypedClient {
 		let params = match args {
 			Value::Array(vec) => Params::Array(vec),
 			Value::Null => Params::None,
+			Value::Object(map) => Params::Map(map),
 			_ => {
 				return Err(RpcError::Client(
-					"RPC params should serialize to a JSON array, or null".into(),
+					"RPC params should serialize to a JSON array, object or null".into(),
 				))
 			}
 		};
@@ -326,9 +327,10 @@ impl TypedClient {
 		let params = match args {
 			Value::Array(vec) => Params::Array(vec),
 			Value::Null => Params::None,
+			Value::Object(map) => Params::Map(map),
 			_ => {
 				return Err(RpcError::Client(
-					"RPC params should serialize to a JSON array, or null".into(),
+					"RPC params should serialize to a JSON array, object or null".into(),
 				))
 			}
 		};
diff --git a/core-client/transports/src/transports/http.rs b/core-client/transports/src/transports/http.rs
index df518340a..248b41890 100644
--- a/core-client/transports/src/transports/http.rs
+++ b/core-client/transports/src/transports/http.rs
@@ -273,7 +273,7 @@ mod tests {
 
 			if let Err(RpcError::Other(err)) = res {
 				if let Some(err) = err.downcast_ref::<hyper::Error>() {
-					assert!(err.is_connect(), format!("Expected Connection Error, got {:?}", err))
+					assert!(err.is_connect(), "Expected Connection Error, got {:?}", err)
 				} else {
 					panic!("Expected a hyper::Error")
 				}
diff --git a/core/Cargo.toml b/core/Cargo.toml
index 08536ae8c..39e2de93d 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -8,7 +8,7 @@ keywords = ["jsonrpc", "json-rpc", "json", "rpc", "serde"]
 license = "MIT"
 name = "jsonrpc-core"
 repository = "https://github.com/paritytech/jsonrpc"
-version = "17.0.0"
+version = "17.1.0"
 
 categories = [
 	"asynchronous",
diff --git a/derive/Cargo.toml b/derive/Cargo.toml
index c07ee212c..9fd65141e 100644
--- a/derive/Cargo.toml
+++ b/derive/Cargo.toml
@@ -7,7 +7,7 @@ homepage = "https://github.com/paritytech/jsonrpc"
 license = "MIT"
 name = "jsonrpc-derive"
 repository = "https://github.com/paritytech/jsonrpc"
-version = "17.0.0"
+version = "17.1.0"
 
 [lib]
 proc-macro = true
@@ -20,10 +20,10 @@ proc-macro-crate = "0.1.4"
 
 [dev-dependencies]
 assert_matches = "1.3"
-jsonrpc-core = { version = "17.0", path = "../core" }
-jsonrpc-core-client = { version = "17.0", path = "../core-client" }
-jsonrpc-pubsub = { version = "17.0", path = "../pubsub" }
-jsonrpc-tcp-server = { version = "17.0", path = "../tcp" }
+jsonrpc-core = { version = "17.1", path = "../core" }
+jsonrpc-core-client = { version = "17.1", path = "../core-client" }
+jsonrpc-pubsub = { version = "17.1", path = "../pubsub" }
+jsonrpc-tcp-server = { version = "17.1", path = "../tcp" }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 trybuild = "1.0"
diff --git a/derive/tests/ui/attr-invalid-meta-list-names.stderr b/derive/tests/ui/attr-invalid-meta-list-names.stderr
index 443966e27..b1beb38c4 100644
--- a/derive/tests/ui/attr-invalid-meta-list-names.stderr
+++ b/derive/tests/ui/attr-invalid-meta-list-names.stderr
@@ -1,8 +1,7 @@
 error: Invalid attribute parameter(s): 'Xalias'. Expected 'alias'
  --> $DIR/attr-invalid-meta-list-names.rs:5:2
   |
-5 |       /// Returns a protocol version
-  |  _____^
+5 | /     /// Returns a protocol version
 6 | |     #[rpc(name = "protocolVersion", Xalias("alias"))]
 7 | |     fn protocol_version(&self) -> Result<String>;
   | |_________________________________________________^
diff --git a/derive/tests/ui/attr-invalid-meta-words.stderr b/derive/tests/ui/attr-invalid-meta-words.stderr
index 7b5d63d17..b76def12b 100644
--- a/derive/tests/ui/attr-invalid-meta-words.stderr
+++ b/derive/tests/ui/attr-invalid-meta-words.stderr
@@ -1,8 +1,7 @@
 error: Invalid attribute parameter(s): 'Xmeta'. Expected 'meta, raw_params'
  --> $DIR/attr-invalid-meta-words.rs:5:2
   |
-5 |       /// Returns a protocol version
-  |  _____^
+5 | /     /// Returns a protocol version
 6 | |     #[rpc(name = "protocolVersion", Xmeta)]
 7 | |     fn protocol_version(&self) -> Result<String>;
   | |_________________________________________________^
diff --git a/derive/tests/ui/attr-invalid-name-values.stderr b/derive/tests/ui/attr-invalid-name-values.stderr
index 6811f0c3e..f308254c1 100644
--- a/derive/tests/ui/attr-invalid-name-values.stderr
+++ b/derive/tests/ui/attr-invalid-name-values.stderr
@@ -1,8 +1,7 @@
 error: Invalid attribute parameter(s): 'Xname'. Expected 'name, returns, params'
  --> $DIR/attr-invalid-name-values.rs:5:2
   |
-5 |       /// Returns a protocol version
-  |  _____^
+5 | /     /// Returns a protocol version
 6 | |     #[rpc(Xname = "protocolVersion")]
 7 | |     fn protocol_version(&self) -> Result<String>;
   | |_________________________________________________^
diff --git a/derive/tests/ui/attr-missing-rpc-name.stderr b/derive/tests/ui/attr-missing-rpc-name.stderr
index fca07fc75..d919e31de 100644
--- a/derive/tests/ui/attr-missing-rpc-name.stderr
+++ b/derive/tests/ui/attr-missing-rpc-name.stderr
@@ -1,8 +1,7 @@
 error: rpc attribute should have a name e.g. `name = "method_name"`
  --> $DIR/attr-missing-rpc-name.rs:5:2
   |
-5 |       /// Returns a protocol version
-  |  _____^
+5 | /     /// Returns a protocol version
 6 | |     #[rpc]
 7 | |     fn protocol_version(&self) -> Result<String>;
   | |_________________________________________________^
diff --git a/derive/tests/ui/multiple-rpc-attributes.stderr b/derive/tests/ui/multiple-rpc-attributes.stderr
index 05099f7e3..dddb37788 100644
--- a/derive/tests/ui/multiple-rpc-attributes.stderr
+++ b/derive/tests/ui/multiple-rpc-attributes.stderr
@@ -1,8 +1,7 @@
 error: Expected only a single rpc attribute per method
  --> $DIR/multiple-rpc-attributes.rs:5:2
   |
-5 |       /// Returns a protocol version
-  |  _____^
+5 | /     /// Returns a protocol version
 6 | |     #[rpc(name = "protocolVersion")]
 7 | |     #[rpc(name = "protocolVersionAgain")]
 8 | |     fn protocol_version(&self) -> Result<String>;
diff --git a/derive/tests/ui/too-many-params.stderr b/derive/tests/ui/too-many-params.stderr
index b83347661..3c23fdf72 100644
--- a/derive/tests/ui/too-many-params.stderr
+++ b/derive/tests/ui/too-many-params.stderr
@@ -1,8 +1,7 @@
 error: Maximum supported number of params is 16
   --> $DIR/too-many-params.rs:5:2
    |
-5  |       /// Has too many params
-   |  _____^
+5  | /     /// Has too many params
 6  | |     #[rpc(name = "tooManyParams")]
 7  | |     fn to_many_params(
 8  | |         &self,
diff --git a/http/Cargo.toml b/http/Cargo.toml
index b837fc444..1e6172abc 100644
--- a/http/Cargo.toml
+++ b/http/Cargo.toml
@@ -8,13 +8,13 @@ keywords = ["jsonrpc", "json-rpc", "json", "rpc", "server"]
 license = "MIT"
 name = "jsonrpc-http-server"
 repository = "https://github.com/paritytech/jsonrpc"
-version = "17.0.0"
+version = "17.1.0"
 
 [dependencies]
 futures = "0.3"
 hyper = "0.13"
-jsonrpc-core = { version = "17.0", path = "../core" }
-jsonrpc-server-utils = { version = "17.0", path = "../server-utils" }
+jsonrpc-core = { version = "17.1", path = "../core" }
+jsonrpc-server-utils = { version = "17.1", path = "../server-utils" }
 log = "0.4"
 net2 = "0.2"
 parking_lot = "0.11.0"
diff --git a/ipc/Cargo.toml b/ipc/Cargo.toml
index cf2b9bad4..0eef09da3 100644
--- a/ipc/Cargo.toml
+++ b/ipc/Cargo.toml
@@ -7,14 +7,14 @@ homepage = "https://github.com/paritytech/jsonrpc"
 license = "MIT"
 name = "jsonrpc-ipc-server"
 repository = "https://github.com/paritytech/jsonrpc"
-version = "17.0.1"
+version = "17.1.0"
 
 [dependencies]
 futures = "0.3"
 log = "0.4"
 tower-service = "0.3"
-jsonrpc-core = { version = "17.0", path = "../core" }
-jsonrpc-server-utils = { version = "17.0", path = "../server-utils", default-features = false }
+jsonrpc-core = { version = "17.1", path = "../core" }
+jsonrpc-server-utils = { version = "17.1", path = "../server-utils", default-features = false }
 parity-tokio-ipc = "0.8"
 parking_lot = "0.11.0"
 
diff --git a/pubsub/Cargo.toml b/pubsub/Cargo.toml
index 566990b3b..7ecd921c6 100644
--- a/pubsub/Cargo.toml
+++ b/pubsub/Cargo.toml
@@ -8,11 +8,11 @@ keywords = ["jsonrpc", "json-rpc", "json", "rpc", "macros"]
 license = "MIT"
 name = "jsonrpc-pubsub"
 repository = "https://github.com/paritytech/jsonrpc"
-version = "17.0.0"
+version = "17.1.0"
 
 [dependencies]
 futures = { version = "0.3", features = ["thread-pool"] }
-jsonrpc-core = { version = "17.0", path = "../core" }
+jsonrpc-core = { version = "17.1", path = "../core" }
 lazy_static = "1.4"
 log = "0.4"
 parking_lot = "0.11.0"
@@ -20,7 +20,8 @@ rand = "0.7"
 serde = "1.0"
 
 [dev-dependencies]
-jsonrpc-tcp-server = { version = "17.0", path = "../tcp" }
+jsonrpc-tcp-server = { version = "17.1", path = "../tcp" }
+serde_json = "1.0"
 
 [badges]
 travis-ci = { repository = "paritytech/jsonrpc", branch = "master"}
diff --git a/pubsub/more-examples/Cargo.toml b/pubsub/more-examples/Cargo.toml
index b222ba108..8a222242e 100644
--- a/pubsub/more-examples/Cargo.toml
+++ b/pubsub/more-examples/Cargo.toml
@@ -3,12 +3,12 @@ name = "jsonrpc-pubsub-examples"
 description = "Examples of Publish-Subscribe extension for jsonrpc."
 homepage = "https://github.com/paritytech/jsonrpc"
 repository = "https://github.com/paritytech/jsonrpc"
-version = "17.0.0"
+version = "17.1.0"
 authors = ["tomusdrw <tomasz@parity.io>"]
 license = "MIT"
 
 [dependencies]
-jsonrpc-core = { version = "17.0", path = "../../core" }
-jsonrpc-pubsub = { version = "17.0", path = "../" }
-jsonrpc-ws-server = { version = "17.0", path = "../../ws" }
-jsonrpc-ipc-server = { version = "17.0", path = "../../ipc" }
+jsonrpc-core = { version = "17.1", path = "../../core" }
+jsonrpc-pubsub = { version = "17.1", path = "../" }
+jsonrpc-ws-server = { version = "17.1", path = "../../ws" }
+jsonrpc-ipc-server = { version = "17.1", path = "../../ipc" }
diff --git a/pubsub/src/subscription.rs b/pubsub/src/subscription.rs
index 8c02512a4..14e6ddcbb 100644
--- a/pubsub/src/subscription.rs
+++ b/pubsub/src/subscription.rs
@@ -81,8 +81,11 @@ impl Session {
 	}
 
 	/// Removes existing subscription.
-	fn remove_subscription(&self, name: &str, id: &SubscriptionId) {
-		self.active_subscriptions.lock().remove(&(id.clone(), name.into()));
+	fn remove_subscription(&self, name: &str, id: &SubscriptionId) -> bool {
+		self.active_subscriptions
+			.lock()
+			.remove(&(id.clone(), name.into()))
+			.is_some()
 	}
 }
 
@@ -335,8 +338,11 @@ where
 		};
 		match (meta.session(), id) {
 			(Some(session), Some(id)) => {
-				session.remove_subscription(&self.notification, &id);
-				Box::pin(self.unsubscribe.call(id, Some(meta)))
+				if session.remove_subscription(&self.notification, &id) {
+					Box::pin(self.unsubscribe.call(id, Some(meta)))
+				} else {
+					Box::pin(future::err(core::Error::invalid_params("Invalid subscription id.")))
+				}
 			}
 			(Some(_), None) => Box::pin(future::err(core::Error::invalid_params("Expected subscription id."))),
 			_ => Box::pin(future::err(subscriptions_unavailable())),
@@ -392,13 +398,36 @@ mod tests {
 		});
 
 		// when
-		session.remove_subscription("test", &id);
+		let removed = session.remove_subscription("test", &id);
 		drop(session);
 
 		// then
+		assert_eq!(removed, true);
 		assert_eq!(called.load(Ordering::SeqCst), false);
 	}
 
+	#[test]
+	fn should_not_remove_subscription_if_invalid() {
+		// given
+		let id = SubscriptionId::Number(1);
+		let called = Arc::new(AtomicBool::new(false));
+		let called2 = called.clone();
+		let other_session = session().0;
+		let session = session().0;
+		session.add_subscription("test", &id, move |id| {
+			assert_eq!(id, SubscriptionId::Number(1));
+			called2.store(true, Ordering::SeqCst);
+		});
+
+		// when
+		let removed = other_session.remove_subscription("test", &id);
+		drop(session);
+
+		// then
+		assert_eq!(removed, false);
+		assert_eq!(called.load(Ordering::SeqCst), true);
+	}
+
 	#[test]
 	fn should_unregister_in_case_of_collision() {
 		// given
@@ -485,40 +514,86 @@ mod tests {
 		});
 	}
 
-	#[derive(Clone, Default)]
-	struct Metadata;
+	#[derive(Clone)]
+	struct Metadata(Arc<Session>);
 	impl core::Metadata for Metadata {}
 	impl PubSubMetadata for Metadata {
 		fn session(&self) -> Option<Arc<Session>> {
-			Some(Arc::new(session().0))
+			Some(self.0.clone())
+		}
+	}
+	impl Default for Metadata {
+		fn default() -> Self {
+			Self(Arc::new(session().0))
 		}
 	}
 
 	#[test]
 	fn should_subscribe() {
 		// given
-		let called = Arc::new(AtomicBool::new(false));
-		let called2 = called.clone();
 		let (subscribe, _) = new_subscription(
 			"test".into(),
-			move |params, _meta, _subscriber| {
+			move |params, _meta, subscriber: Subscriber| {
 				assert_eq!(params, core::Params::None);
-				called2.store(true, Ordering::SeqCst);
+				let _sink = subscriber.assign_id(SubscriptionId::Number(5)).unwrap();
 			},
 			|_id, _meta| async { Ok(core::Value::Bool(true)) },
 		);
-		let meta = Metadata;
 
 		// when
+		let meta = Metadata::default();
 		let result = subscribe.call(core::Params::None, meta);
 
 		// then
-		assert_eq!(called.load(Ordering::SeqCst), true);
+		assert_eq!(futures::executor::block_on(result), Ok(serde_json::json!(5)));
+	}
+
+	#[test]
+	fn should_unsubscribe() {
+		// given
+		const SUB_ID: u64 = 5;
+		let (subscribe, unsubscribe) = new_subscription(
+			"test".into(),
+			move |params, _meta, subscriber: Subscriber| {
+				assert_eq!(params, core::Params::None);
+				let _sink = subscriber.assign_id(SubscriptionId::Number(SUB_ID)).unwrap();
+			},
+			|_id, _meta| async { Ok(core::Value::Bool(true)) },
+		);
+
+		// when
+		let meta = Metadata::default();
+		futures::executor::block_on(subscribe.call(core::Params::None, meta.clone())).unwrap();
+		let result = unsubscribe.call(core::Params::Array(vec![serde_json::json!(SUB_ID)]), meta);
+
+		// then
+		assert_eq!(futures::executor::block_on(result), Ok(serde_json::json!(true)));
+	}
+
+	#[test]
+	fn should_not_unsubscribe_if_invalid() {
+		// given
+		const SUB_ID: u64 = 5;
+		let (subscribe, unsubscribe) = new_subscription(
+			"test".into(),
+			move |params, _meta, subscriber: Subscriber| {
+				assert_eq!(params, core::Params::None);
+				let _sink = subscriber.assign_id(SubscriptionId::Number(SUB_ID)).unwrap();
+			},
+			|_id, _meta| async { Ok(core::Value::Bool(true)) },
+		);
+
+		// when
+		let meta = Metadata::default();
+		futures::executor::block_on(subscribe.call(core::Params::None, meta.clone())).unwrap();
+		let result = unsubscribe.call(core::Params::Array(vec![serde_json::json!(SUB_ID + 1)]), meta);
+
+		// then
 		assert_eq!(
 			futures::executor::block_on(result),
 			Err(core::Error {
-				code: core::ErrorCode::ServerError(-32091),
-				message: "Subscription rejected".into(),
+				code: core::ErrorCode::InvalidParams,
+				message: "Invalid subscription id.".into(),
 				data: None,
 			})
 		);
diff --git a/server-utils/Cargo.toml b/server-utils/Cargo.toml
index 4adbda3c6..aacbce4f0 100644
--- a/server-utils/Cargo.toml
+++ b/server-utils/Cargo.toml
@@ -8,13 +8,13 @@ keywords = ["jsonrpc", "json-rpc", "json", "rpc", "serde"]
 license = "MIT"
 name = "jsonrpc-server-utils"
 repository = "https://github.com/paritytech/jsonrpc"
-version = "17.0.0"
+version = "17.1.0"
 
 [dependencies]
 bytes = "0.5"
 futures = "0.3"
 globset = "0.4"
-jsonrpc-core = { version = "17.0", path = "../core" }
+jsonrpc-core = { version = "17.1", path = "../core" }
 lazy_static = "1.1.0"
 log = "0.4"
 tokio = { version = "0.2", features = ["rt-threaded", "io-driver", "io-util", "time", "tcp"] }
diff --git a/stdio/Cargo.toml b/stdio/Cargo.toml
index ba8725c71..8c907431f 100644
--- a/stdio/Cargo.toml
+++ b/stdio/Cargo.toml
@@ -7,11 +7,11 @@ homepage = "https://github.com/paritytech/jsonrpc"
 license = "MIT"
 name = "jsonrpc-stdio-server"
 repository = "https://github.com/paritytech/jsonrpc"
-version = "17.0.0"
+version = "17.1.0"
 
 [dependencies]
 futures = "0.3"
-jsonrpc-core = { version = "17.0", path = "../core" }
+jsonrpc-core = { version = "17.1", path = "../core" }
 log = "0.4"
 tokio = { version = "0.2", features = ["io-std", "io-driver", "io-util"] }
 tokio-util = { version = "0.3", features = ["codec"] }
diff --git a/tcp/Cargo.toml b/tcp/Cargo.toml
index 990ef7816..a25777300 100644
--- a/tcp/Cargo.toml
+++ b/tcp/Cargo.toml
@@ -7,11 +7,11 @@ homepage = "https://github.com/paritytech/jsonrpc"
 license = "MIT"
 name = "jsonrpc-tcp-server"
 repository = "https://github.com/paritytech/jsonrpc"
-version = "17.0.0"
+version = "17.1.0"
 
 [dependencies]
-jsonrpc-core = { version = "17.0", path = "../core" }
-jsonrpc-server-utils = { version = "17.0", path = "../server-utils" }
+jsonrpc-core = { version = "17.1", path = "../core" }
+jsonrpc-server-utils = { version = "17.1", path = "../server-utils" }
 log = "0.4"
 parking_lot = "0.11.0"
 tower-service = "0.3"
diff --git a/test/Cargo.toml b/test/Cargo.toml
index 2dc6cfedd..bfe2c061f 100644
--- a/test/Cargo.toml
+++ b/test/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "jsonrpc-test"
 description = "Simple test framework for JSON-RPC."
-version = "17.0.0"
+version = "17.1.0"
 authors = ["Tomasz Drwięga <tomasz@parity.io>"]
 license = "MIT"
 homepage = "https://github.com/paritytech/jsonrpc"
@@ -10,9 +10,9 @@ documentation = "https://docs.rs/jsonrpc-test/"
 edition = "2018"
 
 [dependencies]
-jsonrpc-core = { version = "17.0", path = "../core" }
-jsonrpc-core-client = { version = "17.0", path = "../core-client" }
-jsonrpc-pubsub = { version = "17.0", path = "../pubsub" }
+jsonrpc-core = { version = "17.1", path = "../core" }
+jsonrpc-core-client = { version = "17.1", path = "../core-client" }
+jsonrpc-pubsub = { version = "17.1", path = "../pubsub" }
 log = "0.4"
 serde = "1.0"
 serde_json = "1.0"
@@ -21,5 +21,5 @@ serde_json = "1.0"
 arbitrary_precision = ["jsonrpc-core-client/arbitrary_precision", "serde_json/arbitrary_precision", "jsonrpc-core/arbitrary_precision"]
 
 [dev-dependencies]
-jsonrpc-derive = { version = "17.0", path = "../derive" }
+jsonrpc-derive = { version = "17.1", path = "../derive" }
 
diff --git a/ws/Cargo.toml b/ws/Cargo.toml
index bfbf74237..a03be3f8c 100644
--- a/ws/Cargo.toml
+++ b/ws/Cargo.toml
@@ -7,12 +7,12 @@ homepage = "https://github.com/paritytech/jsonrpc"
 license = "MIT"
 name = "jsonrpc-ws-server"
 repository = "https://github.com/paritytech/jsonrpc"
-version = "17.0.0"
+version = "17.1.0"
 
 [dependencies]
 futures = "0.3"
-jsonrpc-core = { version = "17.0", path = "../core" }
-jsonrpc-server-utils = { version = "17.0", path = "../server-utils" }
+jsonrpc-core = { version = "17.1", path = "../core" }
+jsonrpc-server-utils = { version = "17.1", path = "../server-utils" }
 log = "0.4"
 parking_lot = "0.11.0"
 slab = "0.4"