diff --git a/Cargo.lock b/Cargo.lock
index d45408b3..f007254a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -17,7 +17,7 @@ name = "bcrypt-pbkdf"
 version = "0.3.0"
 dependencies = [
  "blowfish",
- "crypto-mac",
+ "crypto-mac 0.10.0",
  "pbkdf2 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2",
  "zeroize",
@@ -127,6 +127,16 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "crypto-mac"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4857fd85a0c34b3c3297875b747c1e02e06b6a0ea32dd892d8192b9ce0813ea6"
+dependencies = [
+ "generic-array",
+ "subtle",
+]
+
 [[package]]
 name = "digest"
 version = "0.9.0"
@@ -178,7 +188,7 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "deae6d9dbb35ec2c502d62b8f7b1c000a0822c3b0794ba36b3149c0a1c840dff"
 dependencies = [
- "crypto-mac",
+ "crypto-mac 0.9.1",
  "digest",
 ]
 
@@ -230,7 +240,7 @@ name = "pbkdf2"
 version = "0.5.0"
 dependencies = [
  "base64",
- "crypto-mac",
+ "crypto-mac 0.10.0",
  "hmac",
  "rand",
  "rand_core",
@@ -246,7 +256,7 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7170d73bf11f39b4ce1809aabc95bf5c33564cdc16fc3200ddda17a5f6e5e48b"
 dependencies = [
- "crypto-mac",
+ "crypto-mac 0.9.1",
 ]
 
 [[package]]
diff --git a/bcrypt-pbkdf/Cargo.toml b/bcrypt-pbkdf/Cargo.toml
index 57d69204..e14923d7 100644
--- a/bcrypt-pbkdf/Cargo.toml
+++ b/bcrypt-pbkdf/Cargo.toml
@@ -11,7 +11,7 @@ edition = "2018"
 
 [dependencies]
 blowfish = { version = "0.6", features = ["bcrypt"] }
-crypto-mac = "0.9"
+crypto-mac = "0.10"
 pbkdf2 = { version = "0.5", default-features = false }
 sha2 = { version = "0.9", default-features = false }
 zeroize = { version = "1", default-features = false }
diff --git a/pbkdf2/Cargo.toml b/pbkdf2/Cargo.toml
index 448d5b7f..7e34a1a0 100644
--- a/pbkdf2/Cargo.toml
+++ b/pbkdf2/Cargo.toml
@@ -11,7 +11,7 @@ categories = ["cryptography", "no-std"]
 edition = "2018"
 
 [dependencies]
-crypto-mac = "0.9"
+crypto-mac = "0.10"
 
 rayon = { version = "1", optional = true }
 base64 = { version = "0.13", default-features = false, features = ["alloc"], optional = true }