diff --git a/.github/workflows/main-docker.yml b/.github/workflows/main-docker.yml
index 049b13392..d1f5a95e6 100644
--- a/.github/workflows/main-docker.yml
+++ b/.github/workflows/main-docker.yml
@@ -30,6 +30,11 @@ jobs:
     steps:
       - name: Checkout the repository
         uses: actions/checkout@v4
+        
+      - name: Set IMAGE_NAME to lowercase
+        run: echo "IMAGE_NAME=${IMAGE_NAME,,}" >> $GITHUB_ENV
+      - name: Set TEST_TAG to lowercase
+        run: echo "TEST_TAG=${TEST_TAG,,}" >> $GITHUB_ENV
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
@@ -94,6 +99,11 @@ jobs:
         run: |
           platform=${{ matrix.platform }}
           echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
+      - name: Set IMAGE_NAME to lowercase
+        run: echo "IMAGE_NAME=${IMAGE_NAME,,}" >> $GITHUB_ENV
+      - name: Set TEST_TAG to lowercase
+        run: echo "TEST_TAG=${TEST_TAG,,}" >> $GITHUB_ENV
+
 
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -177,7 +187,11 @@ jobs:
           path: /tmp/digests
           pattern: digests-*
           merge-multiple: true
-      
+      - name: Set IMAGE_NAME to lowercase
+        run: echo "IMAGE_NAME=${IMAGE_NAME,,}" >> $GITHUB_ENV
+      - name: Set TEST_TAG to lowercase
+        run: echo "TEST_TAG=${TEST_TAG,,}" >> $GITHUB_ENV
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
       
@@ -228,4 +242,4 @@ jobs:
       - name: Inspect image
         run: |
           docker buildx imagetools inspect ${{ env.GHCR_REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.meta.outputs.version }}
-          docker buildx imagetools inspect ${{ env.DOCKERHUB_REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.meta.outputs.version }}
\ No newline at end of file
+          docker buildx imagetools inspect ${{ env.DOCKERHUB_REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.meta.outputs.version }}