diff --git a/Cargo.lock b/Cargo.lock
index c3f113d7e..db8f85f5d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -488,9 +488,9 @@ dependencies = [
 
 [[package]]
 name = "const-oid"
-version = "0.7.1"
+version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e4c78c047431fee22c1a7bb92e00ad095a02a983affe4d8a72e2a2c62c1b94f3"
+checksum = "520fbf3c07483f94e3e3ca9d0cfd913d7718ef2483d2cfd91c0d9e91474ab913"
 
 [[package]]
 name = "contracts"
@@ -663,16 +663,6 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7"
 
-[[package]]
-name = "crypto-bigint"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03c6a1d5fa1de37e071642dfa44ec552ca5b299adb128fab16138e24b548fd21"
-dependencies = [
- "generic-array",
- "subtle",
-]
-
 [[package]]
 name = "crypto-common"
 version = "0.1.6"
@@ -857,13 +847,13 @@ dependencies = [
 
 [[package]]
 name = "der"
-version = "0.5.1"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6919815d73839e7ad218de758883aae3a257ba6759ce7a9992501efbb53d705c"
+checksum = "f1a467a65c5e759bce6e65eaf91cc29f466cdc57cb65777bd646872a8a1fd4de"
 dependencies = [
  "const-oid",
- "crypto-bigint",
  "pem-rfc7468",
+ "zeroize",
 ]
 
 [[package]]
@@ -918,6 +908,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8168378f4e5023e7218c89c891c0fd8ecdb5e5e4f18cb78f38cf245dd021e76f"
 dependencies = [
  "block-buffer 0.10.3",
+ "const-oid",
  "crypto-common",
  "subtle",
 ]
@@ -939,7 +930,7 @@ version = "1.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "91cff35c70bba8a626e3185d8cd48cc11b5437e1a5bcd15b9b5fa3c64b6dfee7"
 dependencies = [
- "signature",
+ "signature 1.6.4",
 ]
 
 [[package]]
@@ -2292,9 +2283,9 @@ checksum = "c719dcf55f09a3a7e764c6649ab594c18a177e3599c467983cdf644bfc0a4088"
 
 [[package]]
 name = "pem-rfc7468"
-version = "0.3.1"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "01de5d978f34aa4b2296576379fcc416034702fd94117c56ffd8a1a767cefb30"
+checksum = "24d159833a9105500e0398934e205e0773f0b27529557134ecfc51c27646adac"
 dependencies = [
  "base64ct",
 ]
@@ -2345,24 +2336,24 @@ checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
 [[package]]
 name = "pkcs1"
-version = "0.3.3"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a78f66c04ccc83dd4486fd46c33896f4e17b24a7a3a6400dedc48ed0ddd72320"
+checksum = "eff33bdbdfc54cc98a2eca766ebdec3e1b8fb7387523d5c9c9a2891da856f719"
 dependencies = [
  "der",
  "pkcs8",
+ "spki",
  "zeroize",
 ]
 
 [[package]]
 name = "pkcs8"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7cabda3fb821068a9a4fab19a683eac3af12edf0f34b94a8be53c4972b8149d0"
+checksum = "9eca2c590a5f85da82668fa685c09ce2888b9430e83299debf1f34b65fd4a4ba"
 dependencies = [
  "der",
  "spki",
- "zeroize",
 ]
 
 [[package]]
@@ -2639,9 +2630,9 @@ dependencies = [
 
 [[package]]
 name = "rsa"
-version = "0.6.1"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4cf22754c49613d2b3b119f0e5d46e34a2c628a937e3024b8762de4e7d8c710b"
+checksum = "55a77d189da1fee555ad95b7e50e7457d91c0e089ec68ca69ad2989413bbdab4"
 dependencies = [
  "byteorder",
  "digest 0.10.6",
@@ -2652,7 +2643,7 @@ dependencies = [
  "pkcs1",
  "pkcs8",
  "rand_core 0.6.4",
- "smallvec",
+ "signature 2.0.0",
  "subtle",
  "zeroize",
 ]
@@ -2887,6 +2878,16 @@ version = "1.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "74233d3b3b2f6d4b006dc19dee745e73e2a6bfb6f93607cd3b02bd5b00797d7c"
 
+[[package]]
+name = "signature"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8fe458c98333f9c8152221191a77e2a44e8325d0193484af2e9421a53019e57d"
+dependencies = [
+ "digest 0.10.6",
+ "rand_core 0.6.4",
+]
+
 [[package]]
 name = "simple-error"
 version = "0.2.3"
@@ -3018,9 +3019,9 @@ checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
 
 [[package]]
 name = "spki"
-version = "0.5.4"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "44d01ac02a6ccf3e07db148d2be087da624fea0221a16152ed01f0496a6b0a27"
+checksum = "67cf02bbac7a337dc36e4f5a693db6c21e7863f45070f7064577eb4367a3212b"
 dependencies = [
  "base64ct",
  "der",
@@ -3134,7 +3135,7 @@ dependencies = [
  "serde_json",
  "serde_repr",
  "sha2 0.10.6",
- "signature",
+ "signature 1.6.4",
  "subtle",
  "subtle-encoding",
  "tendermint-proto",
diff --git a/runtime/Cargo.toml b/runtime/Cargo.toml
index ba0d1fa17..6c36b6673 100644
--- a/runtime/Cargo.toml
+++ b/runtime/Cargo.toml
@@ -56,7 +56,7 @@ bech32 = "0.9.1"
 impl-trait-for-tuples = "0.2.1"
 x509-parser = "0.14.0"
 oid-registry = "0.6.0"
-rsa = "0.6.1"
+rsa = "0.8.2"
 base64-serde = "0.6.1"
 lru = "0.9.0"