diff --git a/.github/workflows/type_check.yaml b/.github/workflows/type_check.yaml
index 30c52a01a..3d7e70104 100644
--- a/.github/workflows/type_check.yaml
+++ b/.github/workflows/type_check.yaml
@@ -24,8 +24,8 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install numpy
           pip install mypy
+          pip install .
 
       - name: Type check
         run: |