diff --git a/.circleci/Dockerfile.debian b/.circleci/Dockerfile.debian
index 48c5737d9..eedf0224f 100644
--- a/.circleci/Dockerfile.debian
+++ b/.circleci/Dockerfile.debian
@@ -51,4 +51,5 @@ RUN apt-get --quiet update && \
     apt-get --yes install lsb-release gnupg2 && \
     ${BUILD_SRC_ROOT}/integration/install-tor.sh && \
     apt-get --yes remove lsb-release gnupg2 && \
+    apt-get --yes autoremove && \
     rm -rf /var/lib/apt/lists/*