diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1da6486..f6c24ca 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -198,6 +198,7 @@ jobs:
           pip install git+https://git@github.com/MODFLOW-USGS/modflow-devtools@develop
           pip install git+https://git@github.com/modflowpy/flopy@develop
           pip install .[test]
+          get-modflow :flopy
 
       - name: Install modflow6 nightly build
         uses: modflowpy/install-modflow-action@v1
diff --git a/pyproject.toml b/pyproject.toml
index a18bfd9..ac765e1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -47,7 +47,8 @@ test = [
     "pytest-order",
     "pytest-xdist",
     "GitPython",
-    "pooch"
+    "pooch",
+    "scipy"
 ]
 lint = [
     "ruff",