diff --git a/.github/actions/build-postfix-exporter/action.yaml b/.github/actions/build-postfix-exporter/action.yaml
index 8afa888..86cb549 100644
--- a/.github/actions/build-postfix-exporter/action.yaml
+++ b/.github/actions/build-postfix-exporter/action.yaml
@@ -47,7 +47,7 @@ runs:
         context: postfix_exporter
         push: true
         tags: '${{ inputs.tags }}'
-        platforms: "linux/386,linux/arm/v5,linux/arm/v6,linux/arm/v7,linux/arm64/v8,linux/amd64,linux/arm64,linux/mips64le,linux/ppc64le,linux/s390x,linux/riscv64"
+        platforms: "linux/386,linux/arm/v5,linux/arm/v6,linux/arm/v7,linux/arm64/v8,linux/amd64,linux/arm64,linux/mips64le,linux/ppc64le,linux/s390x"
         cache-from: type=local,src=/tmp/.buildx-cache/postfix-exporter,mode=max,compression=estargz
         cache-to: type=local,dest=/tmp/.buildx-cache-new/postfix-exporter