diff --git a/api/Cargo.toml b/api/Cargo.toml
index 2df8f17..bfbc5ad 100644
--- a/api/Cargo.toml
+++ b/api/Cargo.toml
@@ -17,7 +17,7 @@ failure = "0.1.8"
 serde = "1.0"
 serde_derive = "1.0"
 serde_json = "1.0"
-base64 = "0.9"
+base64 = "0.22"
 
 [dev-dependencies]
 serde_test = "1.0"
diff --git a/holding/Cargo.toml b/holding/Cargo.toml
index 25b2300..e43669f 100644
--- a/holding/Cargo.toml
+++ b/holding/Cargo.toml
@@ -27,7 +27,7 @@ futures = "0.1.21"
 tokio = "0.1.7"
 tokio-core = "0.1.18"
 failure = "0.1.8"
-base64 = "0.9"
+base64 = "0.22"
 log = "0.4"
 openssl = "0.10"
 kubernetes_api = { path = "../api" }