diff --git a/.github/keys/mosipgpgkey_sec.gpg b/.github/keys/mosipgpgkey_sec.gpg
deleted file mode 100644
index 97de556..0000000
Binary files a/.github/keys/mosipgpgkey_sec.gpg and /dev/null differ
diff --git a/.github/workflows/push-trigger.yml b/.github/workflows/push-trigger.yml
index bead808..bc2da2c 100644
--- a/.github/workflows/push-trigger.yml
+++ b/.github/workflows/push-trigger.yml
@@ -20,10 +20,11 @@ on:
       - 'master'
       - '1.*'
       - 'release*'
+      - 'gpg-migration'
 
 jobs:
   build-maven-imagedecoder:
-    uses: mosip/kattu/.github/workflows/maven-build.yml@master-java21
+    uses: mosip/kattu/.github/workflows/maven-build.yml@mahesh-patch-1
     with:
       SERVICE_LOCATION: imagedecoder
       BUILD_ARTIFACT: imagedecoder
@@ -32,12 +33,13 @@ jobs:
       OSSRH_SECRET: ${{ secrets.OSSRH_SECRET }}
       OSSRH_TOKEN: ${{ secrets.OSSRH_TOKEN }}
       GPG_SECRET: ${{ secrets.GPG_SECRET }}
+      GPG_PRIVATE_KEY: ${{ secrets.GPG_PRIVATE_KEY }}
       SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK }}
 
   publish_to_nexus:
     if: "${{ !contains(github.ref, 'master') && github.event_name != 'pull_request' && github.event_name != 'release' && github.event_name != 'prerelease' && github.event_name != 'publish' }}"
     needs: build-maven-imagedecoder
-    uses: mosip/kattu/.github/workflows/maven-publish-to-nexus.yml@master-java21
+    uses: mosip/kattu/.github/workflows/maven-publish-to-nexus.yml@mahesh-patch-1
     with:
       SERVICE_LOCATION: imagedecoder
     secrets:
@@ -46,12 +48,13 @@ jobs:
       OSSRH_URL: ${{ secrets.OSSRH_CENTRAL_URL }}
       OSSRH_TOKEN: ${{ secrets.OSSRH_TOKEN }}
       GPG_SECRET: ${{ secrets.GPG_SECRET }}
+      GPG_PRIVATE_KEY: ${{ secrets.GPG_PRIVATE_KEY }}
       SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK }}
 
   sonar_analysis:
     needs: build-maven-imagedecoder
     if: "${{  github.event_name != 'pull_request' }}"
-    uses: mosip/kattu/.github/workflows/maven-sonar-analysis.yml@master-java21
+    uses: mosip/kattu/.github/workflows/maven-sonar-analysis.yml@mahesh-patch-1
     with:
       SERVICE_LOCATION: imagedecoder
       PROJECT_KEY: 'mosip_imagedecoder'