diff --git a/cmd/pinniped-proxy/Cargo.lock b/cmd/pinniped-proxy/Cargo.lock
index 3801ed6f9c9..89b1e85aea4 100644
--- a/cmd/pinniped-proxy/Cargo.lock
+++ b/cmd/pinniped-proxy/Cargo.lock
@@ -151,9 +151,9 @@ checksum = "0ea22880d78093b0cbe17c89f64a7d457941e65759157ec6cb31a31d652b05e5"
 
 [[package]]
 name = "base64"
-version = "0.21.0"
+version = "0.21.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a4a4ddaa51a5bc52a6948f74c06d20aaaddb71924eab79b8c97a8c556e942d6a"
+checksum = "604178f6c5c21f02dc555784810edfb88d34ac2c73b2eae109655649ee73ce3d"
 
 [[package]]
 name = "bitflags"
@@ -948,7 +948,7 @@ version = "0.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cd990069640f9db34b3b0f7a1afc62a05ffaa3be9b66aa3c313f58346df7f788"
 dependencies = [
- "base64 0.21.0",
+ "base64 0.21.2",
  "bytes",
  "chrono",
  "serde",
@@ -1348,7 +1348,7 @@ name = "pinniped-proxy"
 version = "0.0.0-devel"
 dependencies = [
  "anyhow",
- "base64 0.21.0",
+ "base64 0.21.2",
  "chrono",
  "clap",
  "env_logger",
@@ -1509,7 +1509,7 @@ version = "0.11.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cde824a14b7c14f85caff81225f411faacc04a2013f41670f41443742b1c1c55"
 dependencies = [
- "base64 0.21.0",
+ "base64 0.21.2",
  "bytes",
  "encoding_rs",
  "futures-core",