diff --git a/Cargo.lock b/Cargo.lock
index 62c82cec7..433264b7f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -73,11 +73,11 @@ checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
 [[package]]
 name = "blake2"
-version = "0.10.2"
+version = "0.10.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b94ba84325db59637ffc528bbe8c7f86c02c57cff5c0e2b9b00f9a851f42f309"
+checksum = "b9cf849ee05b2ee5fba5e36f97ff8ec2533916700fc0758d40d92136a42f3388"
 dependencies = [
- "digest 0.10.1",
+ "digest 0.10.3",
 ]
 
 [[package]]
@@ -349,11 +349,12 @@ dependencies = [
 
 [[package]]
 name = "crypto-common"
-version = "0.1.1"
+version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "683d6b536309245c849479fba3da410962a43ed8e51c26b729208ec0ac2798d0"
+checksum = "57952ca27b5e3606ff4dd79b0020231aaf9d6aa76dc05fd30137538c50bd3ce8"
 dependencies = [
  "generic-array 0.14.4",
+ "typenum",
 ]
 
 [[package]]
@@ -395,13 +396,12 @@ dependencies = [
 
 [[package]]
 name = "digest"
-version = "0.10.1"
+version = "0.10.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b697d66081d42af4fba142d56918a3cb21dc8eb63372c6b85d14f44fb9c5979b"
+checksum = "f2fb860ca6fafa5552fb6d0e816a69c8e49f0908bf524e30a90d97c85892d506"
 dependencies = [
  "block-buffer 0.10.2",
  "crypto-common",
- "generic-array 0.14.4",
  "subtle",
 ]
 
@@ -1533,9 +1533,9 @@ dependencies = [
 
 [[package]]
 name = "typenum"
-version = "1.13.0"
+version = "1.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "879f6906492a7cd215bfa4cf595b600146ccfac0c79bcbd1f3000162af5e8b06"
+checksum = "dcf81ac59edc17cc8697ff311e8f5ef2d99fcbd9817b34cec66f90b6c3dfd987"
 
 [[package]]
 name = "ucd-trie"
diff --git a/lib/Cargo.toml b/lib/Cargo.toml
index 128020b2a..b01982333 100644
--- a/lib/Cargo.toml
+++ b/lib/Cargo.toml
@@ -18,7 +18,7 @@ version_check = "0.9.4"
 
 [dependencies]
 backoff = "0.4.0"
-blake2 = "0.10.2"
+blake2 = "0.10.4"
 bytes = "1.1.0"
 byteorder = "1.4.3"
 chrono = "0.4.19"