diff --git a/rust/fuzz/Cargo.toml b/rust/fuzz/Cargo.toml
index 618cd3b..e2e0a95 100644
--- a/rust/fuzz/Cargo.toml
+++ b/rust/fuzz/Cargo.toml
@@ -18,7 +18,7 @@ rmp-serde = "1"
 # not the thin PyO3 wrapper's flat re-exports.
 [dependencies.cachekit_storage]
 package = "cachekit-core"
-version = "=0.2.1"
+version = "=0.3.0"
 features = ["compression", "checksum", "messagepack", "encryption"]
 
 # Prevent this from interfering with normal build