diff --git a/Cargo.toml b/Cargo.toml
index 4fddd89a..ea13a911 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,7 +19,7 @@ members = [
 [dependencies]
 http = "0.2.0"
 headers-core = { version = "0.2", path = "./headers-core" }
-base64 = "0.13"
+base64 = "0.21"
 bytes = "1"
 mime = "0.3.14"
 sha1 = "0.10"