diff --git a/entrypoint.sh b/entrypoint.sh
index 8b8aa9c..28f3694 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -3,6 +3,8 @@ set -e
 
 main() {
   echo "" # see https://github.com/actions/toolkit/issues/168
+  echo ">> elgohr/Publish-Docker-Github-Action@master has been deprecated."
+  echo ">> Please use elgohr/Publish-Docker-Github-Action@v4 for a blast in speed and security."
 
   if usesBoolean "${ACTIONS_STEP_DEBUG}"; then
     echo "::add-mask::${INPUT_USERNAME}"
diff --git a/test.bats b/test.bats
index 34fb588..d0dd2ec 100755
--- a/test.bats
+++ b/test.bats
@@ -624,7 +624,7 @@ teardown() {
 
   run /entrypoint.sh
 
-  expectStdOutIs ""
+  expectStdOutIs ">> elgohr/Publish-Docker-Github-Action@master has been deprecated.>> Please use elgohr/Publish-Docker-Github-Action@v4 for a blast in speed and security."
 
   expectMockCalledIs "/usr/local/mock/docker login -u USERNAME --password-stdin
 /usr/local/mock/docker build -t my/repository:latest .
@@ -638,7 +638,7 @@ teardown() {
 
   run /entrypoint.sh
 
-  expectStdOutIs ""
+  expectStdOutIs ">> elgohr/Publish-Docker-Github-Action@master has been deprecated.>> Please use elgohr/Publish-Docker-Github-Action@v4 for a blast in speed and security."
 
   expectMockCalledIs "/usr/local/mock/docker build -t my/repository:latest ."
 }