diff --git a/Cargo.lock b/Cargo.lock
index badd959..2bd69bb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -187,9 +187,9 @@ dependencies = [
 
 [[package]]
 name = "cachekit-core"
-version = "0.3.0"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ee6235f73aefb0dc66b9cd0d333b9da928c8192e4234357a739fe756c2f8f23"
+checksum = "6aba1513135a7b92a124ad6983f7e80e5f5c78c4f9c74384079efa3fbf491eab"
 dependencies = [
  "aes",
  "aes-gcm",
diff --git a/crates/cachekit/Cargo.toml b/crates/cachekit/Cargo.toml
index cbf1b94..30f5df2 100644
--- a/crates/cachekit/Cargo.toml
+++ b/crates/cachekit/Cargo.toml
@@ -43,7 +43,7 @@ reliability = ["tokio/time"]
 unsync = []
 
 [dependencies]
-cachekit-core = { version = "0.3", features = ["messagepack"] }
+cachekit-core = { version = "0.4", features = ["messagepack"] }
 serde = { version = "1", features = ["derive"] }
 rmp-serde = "1"
 thiserror = "2.0"