diff --git a/Cargo.lock b/Cargo.lock
index 2efc3e668..cd4051379 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -93,11 +93,12 @@ dependencies = [
 
 [[package]]
 name = "crypto-common"
-version = "0.1.1"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "683d6b536309245c849479fba3da410962a43ed8e51c26b729208ec0ac2798d0"
+checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
 dependencies = [
  "generic-array",
+ "typenum",
 ]
 
 [[package]]
@@ -113,13 +114,12 @@ dependencies = [
 
 [[package]]
 name = "digest"
-version = "0.10.1"
+version = "0.10.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b697d66081d42af4fba142d56918a3cb21dc8eb63372c6b85d14f44fb9c5979b"
+checksum = "8168378f4e5023e7218c89c891c0fd8ecdb5e5e4f18cb78f38cf245dd021e76f"
 dependencies = [
  "block-buffer",
- "crypto-common 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "generic-array",
+ "crypto-common 0.1.6",
 ]
 
 [[package]]
@@ -253,14 +253,14 @@ checksum = "99c3bd8169c58782adad9290a9af5939994036b76187f7b4f0e6de91dbbfc0ec"
 dependencies = [
  "cfg-if",
  "cpufeatures",
- "digest 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "digest 0.10.6",
 ]
 
 [[package]]
 name = "signature"
 version = "1.5.0"
 dependencies = [
- "digest 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "digest 0.10.6",
  "hex-literal",
  "rand_core",
  "sha2",
diff --git a/signature/Cargo.toml b/signature/Cargo.toml
index d59349135..3592a776b 100644
--- a/signature/Cargo.toml
+++ b/signature/Cargo.toml
@@ -12,7 +12,7 @@ keywords      = ["crypto", "ecdsa", "ed25519", "signature", "signing"]
 categories    = ["cryptography", "no-std"]
 
 [dependencies]
-digest = { version = "0.10.1", optional = true, default-features = false }
+digest = { version = "0.10.6", optional = true, default-features = false }
 rand_core = { version = "0.6", optional = true, default-features = false }
 signature_derive = { version = "=1.0.0-pre.4", optional = true, path = "derive" }