diff --git a/Cargo.toml b/Cargo.toml
index a0cde56..03c9769 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,7 @@ rocket = { version = "=0.5.0-rc.3", features = ["json"] }
 openid = { version = "0.12", default-features = false, features = ["rustls"] }
 url = "2"
 anyhow = "1"
-base64 = "0.21"
+base64 = "0.22"
 include_directory = "0.1.1"
 maud = {version = "0.27"}
 grid = "0.16.1"