diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index bf44f9e..0bb8e99 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -24,6 +24,8 @@ jobs:
           file: ./backend/Dockerfile.deps
           push: true
           tags: gitea.kansaigaijin.com/${{ env.REPO_LC }}/whisperx-base:latest
+          cache-from: type=registry,ref=gitea.kansaigaijin.com/${{ env.REPO_LC }}/whisperx-base:cache
+          cache-to: type=registry,ref=gitea.kansaigaijin.com/${{ env.REPO_LC }}/whisperx-base:cache,mode=max
 
       - name: Build and push backend
         uses: docker/build-push-action@v5
@@ -33,6 +35,8 @@ jobs:
           tags: gitea.kansaigaijin.com/${{ env.REPO_LC }}/backend:latest
           build-args: |
             BASE_IMAGE=gitea.kansaigaijin.com/${{ env.REPO_LC }}/whisperx-base:latest
+          cache-from: type=registry,ref=gitea.kansaigaijin.com/${{ env.REPO_LC }}/backend:cache
+          cache-to: type=registry,ref=gitea.kansaigaijin.com/${{ env.REPO_LC }}/backend:cache,mode=max
 
       - name: Build and push frontend
         uses: docker/build-push-action@v5