diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9be7016c..e4d4dd4e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -78,7 +78,7 @@ jobs:
             echo ::set-output name=platforms::linux/amd64,linux/386,linux/arm64,linux/arm/v6,linux/arm/v7,linux/s390x,linux/ppc64le
           else
             echo ::set-output name=version::$BRANCH
-            echo ::set-output name=platforms::linux/amd64
+            echo ::set-output name=platforms::linux/amd64,linux/386,linux/arm64,linux/arm/v6,linux/arm/v7
           fi
 
       - name: Build and push final image
diff --git a/Dockerfile b/Dockerfile
index 0da95333..a767e4fb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-ARG ALPINE_VERSION=3.13
+ARG ALPINE_VERSION=3.12
 ARG GO_VERSION=1.15
 ARG BUILDPLATFORM=linux/amd64