diff --git a/pbjson/Cargo.toml b/pbjson/Cargo.toml
index 2c35e10..16b8823 100644
--- a/pbjson/Cargo.toml
+++ b/pbjson/Cargo.toml
@@ -12,7 +12,7 @@ repository = "https://github.com/influxdata/pbjson"
 [dependencies]
 
 serde = { version = "1.0", features = ["derive"] }
-base64 = "0.21"
+base64 = "0.22"
 
 [dev-dependencies]
 bytes = "1.0"