diff --git a/buildpack.toml b/buildpack.toml
index a66a668..35976a3 100644
--- a/buildpack.toml
+++ b/buildpack.toml
@@ -241,7 +241,7 @@ api = "0.7"
     id = "jdk"
     name = "Oracle JDK"
     purl = "pkg:generic/oracle-jdk@21.0.3?arch=arm64"
-    sha256 = "blank"
+    sha256 = "091ed81c7bf3d9a0c46d5af3e29d5f29293d21d23d6731916f8656bb4907b5ef"
     stacks = ["*"]
     uri = "https://download.oracle.com/java/21/archive/jdk-21.0.3_linux-aarch64_bin.tar.gz"
     version = "21.0.3"