diff --git a/README.md b/README.md
index 2b717cd..6966d66 100644
--- a/README.md
+++ b/README.md
@@ -89,7 +89,7 @@ A sample configuration for Docker-related tasks might look as follows:
 // build.gradle.kts
 ktor {
     docker {
-        jreVersion.set(JreVersion.JRE_17)
+        jreVersion.set(JreVersion.JRE_21)
         localImageName.set("sample-docker-image")
         imageTag.set("0.0.1-preview")