diff --git a/buildpack.toml b/buildpack.toml
index b707edb..307acf2 100644
--- a/buildpack.toml
+++ b/buildpack.toml
@@ -363,14 +363,14 @@ api = "0.7"
       uri = "https://openjdk.java.net/legal/gplv2+ce.html"
 
   [[metadata.dependencies]]
-    cpes = ["cpe:2.3:a:oracle:jdk:21.0.3:*:*:*:*:*:*:*", "cpe:2.3:a:azul:zulu:21.0.3:*:*:*:*:*:*:*"]
+    cpes = ["cpe:2.3:a:oracle:jdk:21.0.4:*:*:*:*:*:*:*", "cpe:2.3:a:azul:zulu:21.0.4:*:*:*:*:*:*:*"]
     id = "jdk"
     name = "Azul Zulu JDK"
-    purl = "pkg:generic/azul-zulu-jdk@21.0.3?arch=arm64"
-    sha256 = "c898d4ce365c8926e22859c06be4a81bafb9fd0126088867e15a528fe99b1599"
+    purl = "pkg:generic/azul-zulu-jdk@21.0.4?arch=arm64"
+    sha256 = "da3c2d7db33670bcf66532441aeb7f33dcf0d227c8dafe7ce35cee67f6829c4c"
     stacks = ["*"]
-    uri = "https://cdn.azul.com/zulu/bin/zulu21.34.19-ca-jdk21.0.3-linux_aarch64.tar.gz"
-    version = "21.0.3"
+    uri = "https://cdn.azul.com/zulu/bin/zulu21.36.17-ca-jdk21.0.4-linux_aarch64.tar.gz"
+    version = "21.0.4"
 
     [[metadata.dependencies.licenses]]
       type = "GPL-2.0 WITH Classpath-exception-2.0"