diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
new file mode 100644
index 0000000..bdd091b
--- /dev/null
+++ b/.github/CODEOWNERS
@@ -0,0 +1 @@
+** @dfinity/ninja-devs @dfinity/sdk
\ No newline at end of file
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index db01dbd..a6461fe 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -107,9 +107,17 @@ jobs:
       # This step uses the `docker/build-push-action` action to build the image, based on your repository's `Dockerfile`. If the build succeeds, it pushes the image to GitHub Packages.
       # It uses the `context` parameter to define the build's context as the set of files located in the specified path. For more information, see "[Usage](https://github.com/docker/build-push-action#usage)" in the README of the `docker/build-push-action` repository.
       # It uses the `tags` and `labels` parameters to tag and label the image with the output from the "meta" step.
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
       - name: Build and push Docker image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
+          platforms: linux/amd64,linux/arm64
           context: slim
           push: true
           tags: ${{ steps.meta.outputs.tags }}
diff --git a/CODEOWNERS b/CODEOWNERS
deleted file mode 100644
index 86b3b15..0000000
--- a/CODEOWNERS
+++ /dev/null
@@ -1 +0,0 @@
-** @dfinity/testing-verification @dfinity/sdk
\ No newline at end of file
diff --git a/slim/Dockerfile b/slim/Dockerfile
index ebb1347..f8bb6a9 100644
--- a/slim/Dockerfile
+++ b/slim/Dockerfile
@@ -1,9 +1,10 @@
-FROM --platform=linux/amd64 rust:1.89-slim-bookworm
+FROM rust:1.89-slim-bookworm
 
 ENV NVM_DIR=/root/.nvm
 ENV NVM_VERSION=v0.40.1
 ENV NODE_VERSION=22.10.0
 ENV IC_MOPS_VERSION=1.11.1
+ENV CANDID_EXTRACTOR_VERSION=0.1.6
 
 RUN apt -yq update
 RUN apt -yqq install --no-install-recommends curl ca-certificates libunwind-dev git
@@ -26,9 +27,7 @@ ENV PATH="/root/.local/share/dfx/bin:$PATH"
 RUN rustup target add wasm32-unknown-unknown
 
 # Install candid-extractor
-RUN curl -fsSL https://github.com/dfinity/candid-extractor/releases/download/0.1.6/candid-extractor-x86_64-unknown-linux-gnu.tar.gz -o candid-extractor.tar.gz
-RUN tar -xvf candid-extractor.tar.gz && rm candid-extractor.tar.gz
-RUN mv candid-extractor /usr/local/bin
+RUN cargo install candid-extractor --version ${CANDID_EXTRACTOR_VERSION}
 
 # Clean apt
 RUN apt-get autoremove && apt-get clean