1 files changed, 3 insertions, 2 deletions
diff --git a/Dockerfile b/Dockerfile
index a438ca84..00909bd4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,5 +2,6 @@ FROM python:3-slim
 ARG PKGCHECK_VERSION
 
 RUN apt-get update && apt-get install -y git && \
-    rm -rf /var/lib/apt/lists/ /var/cache/apt && \
-    pip install pkgcheck==${PKGCHECK_VERSION} setuptools requests
+    rm -rf /var/lib/apt/lists/ /var/cache/apt /var/cache/dpkg && \
+    pip install pkgcheck==${PKGCHECK_VERSION} setuptools requests && \
+    pip cache purge