diff --git a/.github/workflows/qns.yml b/.github/workflows/qns.yml
new file mode 100644
index 0000000000..9dad810bdf
--- /dev/null
+++ b/.github/workflows/qns.yml
@@ -0,0 +1,40 @@
+name: qns (quic-network-simulator)
+
+on:
+  push:
+    branches:
+      - 'docker' # TODO: update
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      # TODO: needed?
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ github.token }}
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ghcr.io/${{ github.repository }}-qns
+
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          context: qns
diff --git a/qns/Dockerfile b/qns/Dockerfile
index dd18af0e25..d2d9bdbb8b 100644
--- a/qns/Dockerfile
+++ b/qns/Dockerfile
@@ -13,7 +13,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 ENV RUSTUP_HOME=/usr/local/rustup \
     CARGO_HOME=/usr/local/cargo \
     PATH=/usr/local/cargo/bin:$PATH \
-    RUST_VERSION=1.45.2
+    RUST_VERSION=1.70.0
 
 RUN set -eux; \
     curl -sSLf "https://static.rust-lang.org/rustup/archive/1.22.1/x86_64-unknown-linux-gnu/rustup-init" -o rustup-init; \