diff --git a/Dockerfile b/Dockerfile
index 3f8518de8e26..52eec795fed1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -25,7 +25,7 @@ COPY requirements_all.txt requirements_all.txt
 # See PR #8103 for more info.
 RUN pip3 install --no-cache-dir -r requirements_all.txt && \
     pip3 install --no-cache-dir mysqlclient psycopg2 uvloop cchardet && \
-    pip3 uninstall enum34
+    pip3 uninstall -y enum34
 
 # Copy source
 COPY . .