diff --git a/Tools/scripts/build_ci.sh b/Tools/scripts/build_ci.sh
index 8ae380a259..0deed90ea8 100755
--- a/Tools/scripts/build_ci.sh
+++ b/Tools/scripts/build_ci.sh
@@ -7,6 +7,10 @@ XOLDPWD=$PWD  # profile changes directory :-(
 
 . ~/.profile
 
+if [ "$CI" = "true" ]; then
+  export PIP_ROOT_USER_ACTION=ignore
+fi
+
 cd $XOLDPWD
 
 set -ex