diff --git a/Cargo.toml b/Cargo.toml
index c2e1879..1bee0ae 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,7 +9,7 @@ license = "MIT"
 name = "medallion"
 readme = "README.md"
 repository = "http://github.com/cmdln/medallion"
-version = "2.4.0"
+version = "2.4.1"
 edition = "2018"
 [badges]
 [badges.travis-ci]
@@ -17,7 +17,7 @@ branch = "master"
 repository = "https://travis-ci.org/cmdln/medallion"
 
 [dependencies]
-base64 = "~0.12.2"
+base64 = "~0.13.0"
 openssl = "~0.10.15"
 serde = { version = "^1.0.114", features = [ "derive" ] }
 serde_json = "^1.0.55"