diff --git a/Dockerfile b/Dockerfile
index 3205b4f..6b7220d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,9 @@
 
 FROM gitea/runner-images:ubuntu-latest
 
-RUN apt update && apt install --no-install-recommends -y ansible ansible-lint sshpass
+RUN apt update && \
+    apt install --no-install-recommends -y ansible ansible-lint sshpass && \
+    rm -rf /var/lib/apt/lists/*
 
 RUN mkdir /ansible