diff --git a/shim/third-party/rust/Cargo.toml b/shim/third-party/rust/Cargo.toml
index 828f66d04..903e5fcb1 100644
--- a/shim/third-party/rust/Cargo.toml
+++ b/shim/third-party/rust/Cargo.toml
@@ -38,7 +38,7 @@ async-scoped = { version = "0.8", features = ["use-tokio"] }
 async-trait = "0.1.24"
 atomic = "0.5.1"
 backtrace = "0.3.51"
-base64 = "0.13.0"
+base64 = "0.21.7"
 bincode = "1.3.3"
 bitflags = "2.4"
 blake3 = { version = "1.3.1", features = [ "default", "digest", "rayon", "std", "traits-preview" ] }