diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 0228996..cddd328 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -139,6 +139,7 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install https://github.com/modflowpy/pymake/zipball/master
+          pip install https://github.com/MODFLOW-USGS/modflow-devtools/zipball/develop
 
       - name: Get last release tag
         id: last-tag