diff --git a/fish/functions/pip_upgrade.fish b/fish/functions/pip_upgrade.fish
index b3b35f8..5d4696e 100644
--- a/fish/functions/pip_upgrade.fish
+++ b/fish/functions/pip_upgrade.fish
@@ -1,5 +1,5 @@
 function pip_upgrade --description "Upgrade python packages"
-    set --local py_pkgs_outdated (pip3 list --outdated | awk 'NR > 2 {print $1}')
+    set --local py_pkgs_outdated (python3 -m pip list --outdated | awk 'NR > 2 {print $1}')
 
     if test (count $py_pkgs_outdated) = 0
         echo "All packages up-to-date."
@@ -7,7 +7,7 @@ function pip_upgrade --description "Upgrade python packages"
         echo "Outdated packages: $py_pkgs_outdated"
         if confirm
             for py_pkg in $py_pkgs_outdated
-                pip3 install -U $py_pkg
+                python3 -m pip install -U $py_pkg
             end
         end
     end