diff --git a/Cargo.toml b/Cargo.toml
index fc0f261..8e91ac1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,7 +30,7 @@ exclude = [
 travis-ci = { repository = "blackbeam/rust_mysql_common" }
 
 [dependencies]
-base64 = "0.21"
+base64 = "0.22"
 bigdecimal02 = { package = "bigdecimal", version = "0.2", features = [
     "serde",
 ], optional = true }