diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ab7daf76e2..fd5185c3c6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -419,10 +419,10 @@ jobs:
       matrix:
         image: [debian, alpine]
         platforms:
-          ["linux/arm64, linux/amd64, linux/ppc64le"]
+          ["linux/arm", "linux/arm64, linux/amd64, linux/ppc64le", "linux/s390x"]
         include:
           - image: ubi
-            platforms: "linux/arm64, linux/amd64, linux/ppc64le"
+            platforms: "linux/arm64, linux/amd64, linux/ppc64le, linux/s390x"
     uses: ./.github/workflows/build-oss.yml
     with:
       platforms: ${{ matrix.platforms }}
diff --git a/build/Dockerfile b/build/Dockerfile
index b0ed719d5e..81ed13bed6 100644
--- a/build/Dockerfile
+++ b/build/Dockerfile
@@ -25,7 +25,7 @@ RUN --mount=type=bind,from=alpine-opentracing-lib,target=/tmp/ot/ \
 
 
 ############################################# Base image for Debian #############################################
-FROM nginx:1.25.4@sha256:4505e44646d175a819f80e172f4cf17cbc1404bc2908413175da943e2b8e460b AS debian
+FROM nginx:1.25.4@sha256:c26ae7472d624ba1fafd296e73cecc4f93f853088e6a9c13c0d52f6ca5865107 AS debian
 
 RUN --mount=type=bind,from=opentracing-lib,target=/tmp/ot/ \
 	apt-get update \