diff --git a/src/_bcrypt/Cargo.lock b/src/_bcrypt/Cargo.lock
index 55aaa148..2a374b37 100644
--- a/src/_bcrypt/Cargo.lock
+++ b/src/_bcrypt/Cargo.lock
@@ -8,13 +8,19 @@ version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
 
+[[package]]
+name = "base64"
+version = "0.23.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b25655df2c3cdd83c5e5b293b88acd880332b2ddadd7c30ac43144fdc0033da9"
+
 [[package]]
 name = "bcrypt"
 version = "0.19.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f3c067aa24dd4ed5c79cf222a38f260c8f23d3b82a062fba3f28c6fe563b753"
 dependencies = [
- "base64",
+ "base64 0.22.1",
  "blowfish",
  "getrandom",
  "subtle",
@@ -36,7 +42,7 @@ dependencies = [
 name = "bcrypt-rust"
 version = "0.1.0"
 dependencies = [
- "base64",
+ "base64 0.23.0",
  "bcrypt",
  "bcrypt-pbkdf",
  "getrandom",
diff --git a/src/_bcrypt/Cargo.toml b/src/_bcrypt/Cargo.toml
index 73acdff4..2512cc22 100644
--- a/src/_bcrypt/Cargo.toml
+++ b/src/_bcrypt/Cargo.toml
@@ -11,7 +11,7 @@ publish = false
 pyo3 = { version = "0.29", features = ["abi3"] }
 bcrypt = "0.19.1"
 bcrypt-pbkdf = "0.11.0"
-base64 = "0.22.1"
+base64 = "0.23.0"
 subtle = "2.6"
 getrandom = "0.4"