diff --git a/tonic-web/Cargo.toml b/tonic-web/Cargo.toml
index 501fe26fb..d6649f65c 100644
--- a/tonic-web/Cargo.toml
+++ b/tonic-web/Cargo.toml
@@ -15,7 +15,7 @@ repository = "https://github.com/hyperium/tonic"
 version = "0.11.0"
 
 [dependencies]
-base64 = "0.21"
+base64 = "0.22"
 bytes = "1"
 tokio-stream = "0.1"
 http = "0.2"
diff --git a/tonic/Cargo.toml b/tonic/Cargo.toml
index 99388e357..87e23f2f0 100644
--- a/tonic/Cargo.toml
+++ b/tonic/Cargo.toml
@@ -49,7 +49,7 @@ channel = []
 # harness = false
 
 [dependencies]
-base64 = "0.21"
+base64 = "0.22"
 bytes = "1.0"
 http = "0.2"
 tracing = "0.1"