diff --git a/src/test/java/land/oras/utils/TestImages.java b/src/test/java/land/oras/utils/TestImages.java
index 74b5fa80..4ce0f7ac 100644
--- a/src/test/java/land/oras/utils/TestImages.java
+++ b/src/test/java/land/oras/utils/TestImages.java
@@ -25,7 +25,7 @@
  */
 public final class TestImages {
 
-    public static final String ZOT = "ghcr.io/project-zot/zot-minimal:v2.1.20";
+    public static final String ZOT = "ghcr.io/project-zot/zot-minimal:v2.1.21";
 
     private TestImages() {}
 }