diff --git a/Cargo.lock b/Cargo.lock
index 5c89de1a63..c90c6dd0f5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -169,9 +169,9 @@ dependencies = [
 
 [[package]]
 name = "base64"
-version = "0.21.3"
+version = "0.21.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "414dcefbc63d77c526a76b3afcf6fbb9b5e2791c19c3aa2297733208750c6e53"
+checksum = "9ba43ea6f343b788c8764558649e08df62f86c6ef251fdaeb1ffd010a9ae50a2"
 
 [[package]]
 name = "bitflags"