diff --git a/.github/workflows/linux_ci.yml b/.github/workflows/linux_ci.yml
index 5584ef7e5e..98a63a6874 100644
--- a/.github/workflows/linux_ci.yml
+++ b/.github/workflows/linux_ci.yml
@@ -39,7 +39,7 @@ jobs:
         if: steps.cache-python-env.outputs.cache-hit != 'true'
         run: |
           python -m pip install --upgrade pip
-          pip install --upgrade --upgrade-strategy eager .[test]
+          pip install --upgrade --upgrade-strategy eager -e .[test]
           pip install torch-scatter -f https://data.pyg.org/whl/torch-1.10.0+cpu.html
 
   prepare-build:
diff --git a/.github/workflows/windows_ci.yml b/.github/workflows/windows_ci.yml
index 0e16e71e82..e4d9a1f189 100644
--- a/.github/workflows/windows_ci.yml
+++ b/.github/workflows/windows_ci.yml
@@ -43,7 +43,7 @@ jobs:
         if: steps.cache-python-env.outputs.cache-hit != 'true'
         run: |
           python -m pip install --upgrade pip
-          pip install --upgrade --upgrade-strategy eager .[test]
+          pip install --upgrade --upgrade-strategy eager -e .[test]
           pip install torch-scatter -f https://data.pyg.org/whl/torch-1.10.0+cpu.html
 
   prepare-build: