diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ad421a72..9fd4e748 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -53,7 +53,7 @@ jobs:
       - name: Execute tests
         run: |
             pip install -U pip poetry tox
-            poetry install -E for_tests
+            poetry install
 
             export DJANGO=${{ matrix.django-version }}
             export PYTHON=${{ matrix.python-version }}
@@ -87,7 +87,7 @@ jobs:
       - name: Execute tests
         run: |
             pip install -U pip poetry tox
-            poetry install -E for_tests
+            poetry install
 
             export DJANGO=${{ matrix.django-version }}
             export PYTHON=${{ matrix.python-version }}
@@ -118,6 +118,6 @@ jobs:
       - name: Build
         run: |
             pip install -U pip poetry tox
-            poetry install -E for_tests
+            poetry install
 
             ./scripts/build.sh