diff --git a/crates/env/Cargo.toml b/crates/env/Cargo.toml
index 5f2e3763..38e8ab6f 100644
--- a/crates/env/Cargo.toml
+++ b/crates/env/Cargo.toml
@@ -31,7 +31,7 @@ static_assertions = "1.1"
 # Hashes for the off-chain environment.
 sha2 = { version = "0.9", optional = true }
 sha3 = { version = "0.9", optional = true }
-blake2 = { version = "0.9", optional = true }
+blake2 = { version = "0.10", optional = true }
 
 # Only used in the off-chain environment.
 #
diff --git a/crates/lang/codegen/Cargo.toml b/crates/lang/codegen/Cargo.toml
index 984a6d74..0d5b8ff8 100644
--- a/crates/lang/codegen/Cargo.toml
+++ b/crates/lang/codegen/Cargo.toml
@@ -26,7 +26,7 @@ derive_more = { version = "0.99", default-features = false, features = ["from"]
 itertools = "0.10"
 either = { version = "1.5", default-features = false }
 regex = "1.3"
-blake2 = "0.9"
+blake2 = "0.10"
 heck = "0.3.1"
 funty = "=1.1.0"
 
diff --git a/crates/lang/ir/Cargo.toml b/crates/lang/ir/Cargo.toml
index 8647f5a6..fc8bf15c 100644
--- a/crates/lang/ir/Cargo.toml
+++ b/crates/lang/ir/Cargo.toml
@@ -24,7 +24,7 @@ proc-macro2 = "1.0"
 itertools = { version = "0.10", default-features = false }
 either = { version = "1.5", default-features = false }
 regex = "1.3"
-blake2 = "0.9"
+blake2 = "0.10"
 
 [features]
 default = ["std"]