diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 0cb192d3..4af7731f 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -35,7 +35,7 @@ jobs:
 
     - name: Install package
       shell: bash -l {0}
-      run: pip install -e .
+      run: pip install .
 
     - name: Run pytest with coverage report
       shell: bash -l {0}
diff --git a/setup.py b/setup.py
index bd2d8239..a37caab5 100644
--- a/setup.py
+++ b/setup.py
@@ -108,6 +108,7 @@ def run(self):
             "library/*",
             "library/forcefields/*",
             "library/monomers/*",
+            "assets/*",
         ]
     },
     install_requires=REQUIRED,