diff --git a/maintainers/scripts/update-python-libraries b/maintainers/scripts/update-python-libraries
index ec2691ff617c..4536662c8420 100755
--- a/maintainers/scripts/update-python-libraries
+++ b/maintainers/scripts/update-python-libraries
@@ -1,5 +1,5 @@
 #! /usr/bin/env nix-shell
-#! nix-shell -i python3 -p 'python3.withPackages(ps: with ps; [ packaging requests toolz ])' -p git
+#! nix-shell -i python3 -p "python3.withPackages(ps: with ps; [ packaging requests toolz ])" -p git
 
 """
 Update a Python package expression by passing in the `.nix` file, or the directory containing it.
@@ -358,4 +358,4 @@ def main():
 
 
 if __name__ == '__main__':
-    main()
\ No newline at end of file
+    main()