diff --git a/src/_bcrypt/Cargo.lock b/src/_bcrypt/Cargo.lock
index 47c9c665..30d2b46e 100644
--- a/src/_bcrypt/Cargo.lock
+++ b/src/_bcrypt/Cargo.lock
@@ -35,9 +35,9 @@ dependencies = [
 
 [[package]]
 name = "bcrypt-pbkdf"
-version = "0.8.1"
+version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4ef233ffa9cb9c7820b2b0e9efd0821ed180e866c9120ec9f45518659742074"
+checksum = "6aeac2e1fe888769f34f05ac343bbef98b14d1ffb292ab69d4608b3abc86f2a2"
 dependencies = [
  "blowfish",
  "pbkdf2",
@@ -223,9 +223,9 @@ dependencies = [
 
 [[package]]
 name = "pbkdf2"
-version = "0.10.1"
+version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "271779f35b581956db91a3e55737327a03aa051e90b1c47aeb189508533adfd7"
+checksum = "f0ca0b5a68607598bf3bad68f32227a8164f6254833f84eafaac409cd6746c31"
 dependencies = [
  "digest",
 ]
diff --git a/src/_bcrypt/Cargo.toml b/src/_bcrypt/Cargo.toml
index 0b2af7c0..bcf078a7 100644
--- a/src/_bcrypt/Cargo.toml
+++ b/src/_bcrypt/Cargo.toml
@@ -8,7 +8,7 @@ publish = false
 [dependencies]
 pyo3 = { version = "0.19.1" }
 bcrypt = "0.15"
-bcrypt-pbkdf = "0.8.1"
+bcrypt-pbkdf = "0.10.0"
 base64 = "0.13.1"
 
 [features]