diff --git a/Cargo.lock b/Cargo.lock
index 65dbe816..13d9fe28 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -228,6 +228,15 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "block-buffer"
+version = "0.10.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "69cce20737498f97b993470a6e536b8523f0af7892a4f928cceb1ac5e52ebe7e"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "block-padding"
 version = "0.2.1"
@@ -517,6 +526,16 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "crypto-common"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
+dependencies = [
+ "generic-array",
+ "typenum",
+]
+
 [[package]]
 name = "crypto-mac"
 version = "0.8.0"
@@ -553,7 +572,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b9fdf9972b2bd6af2d913799d9ebc165ea4d2e65878e329d9c6b372c4491b61"
 dependencies = [
  "byteorder",
- "digest",
+ "digest 0.9.0",
  "rand_core 0.5.1",
  "subtle",
  "zeroize",
@@ -643,6 +662,16 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "digest"
+version = "0.10.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "adfbc57365a37acbd2ebf2b64d7e69bb766e2fea813521ed536f5d0520dcf86c"
+dependencies = [
+ "block-buffer 0.10.3",
+ "crypto-common",
+]
+
 [[package]]
 name = "dirs-next"
 version = "2.0.0"
@@ -693,7 +722,7 @@ checksum = "c762bae6dcaf24c4c84667b8579785430908723d5c889f469d76a41d59cc7a9d"
 dependencies = [
  "curve25519-dalek",
  "ed25519",
- "sha2",
+ "sha2 0.9.9",
  "zeroize",
 ]
 
@@ -1079,7 +1108,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "126888268dcc288495a26bf004b38c5fdbb31682f992c84ceb046a1f0fe38840"
 dependencies = [
  "crypto-mac 0.8.0",
- "digest",
+ "digest 0.9.0",
 ]
 
 [[package]]
@@ -1089,7 +1118,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2a2a2320eb7ec0ebe8da8f744d7812d9fc4cb4d09344ac01898dbcb6a20ae69b"
 dependencies = [
  "crypto-mac 0.11.1",
- "digest",
+ "digest 0.9.0",
 ]
 
 [[package]]
@@ -1244,7 +1273,7 @@ dependencies = [
  "serde",
  "serde_derive",
  "serde_json",
- "sha2",
+ "sha2 0.10.6",
  "subtle-encoding",
  "tendermint",
  "tendermint-light-client",
@@ -1276,7 +1305,7 @@ dependencies = [
  "rand 0.8.4",
  "serde",
  "serde_json",
- "sha2",
+ "sha2 0.10.6",
  "subtle-encoding",
  "tendermint",
  "tendermint-rpc",
@@ -1336,7 +1365,7 @@ dependencies = [
  "serde_derive",
  "serde_json",
  "serial_test",
- "sha2",
+ "sha2 0.10.6",
  "signature",
  "subtle-encoding",
  "tendermint",
@@ -1435,7 +1464,7 @@ dependencies = [
  "hex",
  "prost",
  "ripemd160",
- "sha2",
+ "sha2 0.9.9",
  "sha3",
  "sp-std",
 ]
@@ -1524,7 +1553,7 @@ dependencies = [
  "cfg-if 1.0.0",
  "ecdsa",
  "elliptic-curve",
- "sha2",
+ "sha2 0.9.9",
 ]
 
 [[package]]
@@ -1676,7 +1705,7 @@ dependencies = [
  "regex",
  "serde",
  "serde_json",
- "sha2",
+ "sha2 0.9.9",
  "tempfile",
  "thiserror",
  "tracing",
@@ -2326,8 +2355,8 @@ version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2eca4ecc81b7f313189bf73ce724400a07da2a6dac19588b03c8bd76a2dcc251"
 dependencies = [
- "block-buffer",
- "digest",
+ "block-buffer 0.9.0",
+ "digest 0.9.0",
  "opaque-debug",
 ]
 
@@ -2659,10 +2688,10 @@ version = "0.9.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "99cd6713db3cf16b6c84e06321e049a9b9f699826e16096d23bbcc44d15d51a6"
 dependencies = [
- "block-buffer",
+ "block-buffer 0.9.0",
  "cfg-if 1.0.0",
  "cpufeatures",
- "digest",
+ "digest 0.9.0",
  "opaque-debug",
 ]
 
@@ -2674,25 +2703,36 @@ checksum = "2579985fda508104f7587689507983eadd6a6e84dd35d6d115361f530916fa0d"
 
 [[package]]
 name = "sha2"
-version = "0.9.8"
+version = "0.9.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b69f9a4c9740d74c5baa3fd2e547f9525fa8088a8a958e0ca2409a514e33f5fa"
+checksum = "4d58a1e1bf39749807d89cf2d98ac2dfa0ff1cb3faa38fbb64dd88ac8013d800"
 dependencies = [
- "block-buffer",
+ "block-buffer 0.9.0",
  "cfg-if 1.0.0",
  "cpufeatures",
- "digest",
+ "digest 0.9.0",
  "opaque-debug",
 ]
 
+[[package]]
+name = "sha2"
+version = "0.10.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "82e6b795fe2e3b1e845bafcb27aa35405c4d47cdfc92af5fc8d3002f76cebdc0"
+dependencies = [
+ "cfg-if 1.0.0",
+ "cpufeatures",
+ "digest 0.10.5",
+]
+
 [[package]]
 name = "sha3"
 version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f81199417d4e5de3f04b1e871023acea7389672c4135918f05aa9cbf2f2fa809"
 dependencies = [
- "block-buffer",
- "digest",
+ "block-buffer 0.9.0",
+ "digest 0.9.0",
  "keccak",
  "opaque-debug",
 ]
@@ -2731,7 +2771,7 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f2807892cfa58e081aa1f1111391c7a0649d4fa127a4ffbe34bcbfb35a1171a4"
 dependencies = [
- "digest",
+ "digest 0.9.0",
  "rand_core 0.6.3",
 ]
 
@@ -2871,7 +2911,7 @@ dependencies = [
  "serde_bytes",
  "serde_json",
  "serde_repr",
- "sha2",
+ "sha2 0.9.9",
  "signature",
  "subtle",
  "subtle-encoding",
@@ -3070,7 +3110,7 @@ dependencies = [
  "pbkdf2",
  "rand 0.7.3",
  "rustc-hash",
- "sha2",
+ "sha2 0.9.9",
  "thiserror",
  "unicode-normalization",
  "wasm-bindgen",
diff --git a/modules/Cargo.toml b/modules/Cargo.toml
index 17242868..cb119ea9 100644
--- a/modules/Cargo.toml
+++ b/modules/Cargo.toml
@@ -38,7 +38,7 @@ prost-types = { version = "0.9", default-features = false }
 bytes = { version = "1.1.0", default-features = false }
 safe-regex = { version = "0.2.4", default-features = false }
 subtle-encoding = { version = "0.5", default-features = false }
-sha2 = { version = "0.9.8", default-features = false }
+sha2 = { version = "0.10.6", default-features = false }
 flex-error = { version = "0.4.4", default-features = false }
 
 [dependencies.tendermint]
@@ -60,7 +60,7 @@ env_logger = "0.9.0"
 tracing-subscriber = { version = "0.3.2", features = ["fmt", "env-filter", "json"]}
 test-log = { version = "0.2.8", features = ["trace"] }
 modelator = "0.3.2"
-sha2 = { version = "0.9.8" }
+sha2 = { version = "0.10.6" }
 tendermint-rpc = { version = "=0.23.1", features = ["http-client", "websocket-client"] }
 tendermint-testgen = { version = "=0.23.1" } # Needed for generating (synthetic) light blocks.
 
diff --git a/relayer/Cargo.toml b/relayer/Cargo.toml
index 7c3b1ac7..bc8a6af7 100644
--- a/relayer/Cargo.toml
+++ b/relayer/Cargo.toml
@@ -46,7 +46,7 @@ hex = "0.4"
 bitcoin = { version = "=0.27", features = ["use-serde"] }
 tiny-bip39 = "0.8.0"
 hdpath = { version = "0.6.0", features = ["with-bitcoin"] }
-sha2 = "0.9.8"
+sha2 = "0.10.6"
 tiny-keccak = { version = "2.0.2", features = ["keccak"], default-features = false }
 ripemd160 = "0.9.1"
 bech32 = "0.8.1"
diff --git a/tools/integration-test/Cargo.toml b/tools/integration-test/Cargo.toml
index 79cda5d7..9c2ca96a 100644
--- a/tools/integration-test/Cargo.toml
+++ b/tools/integration-test/Cargo.toml
@@ -34,7 +34,7 @@ serde_json = "1"
 itertools = "0.10"
 toml = "0.5"
 subtle-encoding = "0.5.1"
-sha2 = "0.9.8"
+sha2 = "0.10.6"
 crossbeam-channel = "0.5.1"
 prost = { version = "0.9", default-features = false }
 prost-types = { version = "0.9", default-features = false }