diff --git a/crates/caldav/Cargo.toml b/crates/caldav/Cargo.toml
index a9f22d4..185f55e 100644
--- a/crates/caldav/Cargo.toml
+++ b/crates/caldav/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2021"
 actix-web = "4.4"
 actix-web-httpauth = "0.8"
 anyhow = { version = "1.0", features = ["backtrace"] }
-base64 = "0.21"
+base64 = "0.22"
 derive_more = "0.99"
 futures-util = "0.3"
 quick-xml = { version = "0.31", features = [