diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 4aa4605..88eadee 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -48,7 +48,7 @@ jobs:
         id: push
         uses: docker/build-push-action@v6.5.0
         with:
-          platforms: linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64
+          platforms: linux/amd64,linux/arm64
           context: .
           push: true
           tags: ${{ steps.meta.outputs.tags }}
diff --git a/Dockerfile b/Dockerfile
index b398eb8..3a8406c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,7 +10,7 @@ WORKDIR /
 
 RUN git clone --recursive --depth=1 --shallow-submodules --jobs 5 -b v1.65.1 https://github.com/grpc/grpc
 
-RUN apk add alpine-sdk cmake linux-headers
+RUN apk add --no-cache alpine-sdk linux-headers cmake
 
 WORKDIR /grpc
 
diff --git a/README.md b/README.md
index 12882f3..fa0ad87 100644
--- a/README.md
+++ b/README.md
@@ -44,5 +44,5 @@ jobs:
 ### docker run
 
 ```shell
-docker run --rm -v $(pwd):/project ghcr.io/oa/protoc-php-action:0.2.0 client/target client/target proto
+docker run --rm -v $(pwd):/project ghcr.io/oa/protoc-php-action:0.2.2 client/target client/target proto
 ```