diff --git a/docker/tanner/tanner/Dockerfile b/docker/tanner/tanner/Dockerfile
index 204ebe13..3b676dfc 100644
--- a/docker/tanner/tanner/Dockerfile
+++ b/docker/tanner/tanner/Dockerfile
@@ -25,6 +25,7 @@ RUN apk -U --no-cache add \
     sed -i 's/aioredis/aioredis==1.3.1/g' requirements.txt && \
     sed -i 's/^aiohttp$/aiohttp==3.7.4/g' requirements.txt && \
     cp /root/dist/config.yaml /opt/tanner/tanner/data && \
+    pip3 install --ignore-installed packaging && \
     pip3 install --no-cache-dir setuptools && \
     pip3 install --no-cache-dir -r requirements.txt && \
     python3 setup.py install && \