diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index 4833a39..96eaa5f 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -33,6 +33,9 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
+      - name: Lowercase image name
+        run: echo "IMAGE_NAME=${IMAGE_NAME,,}" >> $GITHUB_ENV
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3.0.0
 
@@ -87,6 +90,9 @@ jobs:
       packages: write
 
     steps:
+      - name: Lowercase image name
+        run: echo "IMAGE_NAME=${IMAGE_NAME,,}" >> $GITHUB_ENV
+
       - name: Download digests
         uses: actions/download-artifact@v4
         with:
@@ -141,6 +147,9 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
+      - name: Lowercase image name
+        run: echo "IMAGE_NAME=${IMAGE_NAME,,}" >> $GITHUB_ENV
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3.0.0
 
@@ -195,6 +204,9 @@ jobs:
       packages: write
 
     steps:
+      - name: Lowercase image name
+        run: echo "IMAGE_NAME=${IMAGE_NAME,,}" >> $GITHUB_ENV
+
       - name: Download digests
         uses: actions/download-artifact@v4
         with: