diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 300fc0b094..cdefedd564 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -72,6 +72,7 @@ jobs:
           test -s dist/penguin-qemu.tar.gz
           tar tzf dist/penguin-qemu.tar.gz | grep -q '^lib/libqemu-system-'
           tar tzf dist/penguin-qemu.tar.gz | grep -q '^include/penguin-qemu-cffi/'
+          tar tzf dist/penguin-qemu.tar.gz | grep -q '^lib/penguin-qemu-env/'
           tar tzf dist/penguin-qemu.tar.gz | grep -q '^bin/qemu-img$'
           (cd dist && sha256sum penguin-qemu.tar.gz > SHA256SUMS)
 
diff --git a/Dockerfile b/Dockerfile
index 334fc7d391..b5507bb1ed 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -18,6 +18,7 @@ RUN apt-get update && \
         ninja-build \
         pkg-config \
         python3 \
+        python3-dev \
         python3-pip \
         python3-setuptools \
         python3-tomli \