diff --git a/update_requirements.sh b/update_requirements.sh
index d716cda4..765f2d5a 100755
--- a/update_requirements.sh
+++ b/update_requirements.sh
@@ -28,3 +28,5 @@ fi
 
 echo "pip packages install ..."
 pipenv install --dev --deploy --system
+# update shims for newly installed executables (e.g. scons)
+pyenv rehash