diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 896d0a179..9e68c8bf2 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -56,23 +56,23 @@ jobs:
             TOXENV: py
 
         # pinned deps
-        # - os: ubuntu-18.04
-        #   python-version: 3.6.12
-        #   env:
-        #     TOXENV: pinned
-        # - os: ubuntu-18.04
-        #   python-version: 3.6.12
-        #   env:
-        #     TOXENV: asyncio-pinned
-        # - os: windows-latest
-        #   python-version: 3.6
-        #   env:
-        #     TOXENV: windows-pinned
-        # - os: ubuntu-18.04
-        #   python-version: pypy3
-        #   env:
-        #     TOXENV: pypy3-pinned
-        #     PYPY_VERSION: 3.6-v7.2.0
+        - os: ubuntu-18.04
+          python-version: 3.6.12
+          env:
+            TOXENV: pinned
+        - os: ubuntu-18.04
+          python-version: 3.6.12
+          env:
+            TOXENV: asyncio-pinned
+        - os: windows-latest
+          python-version: 3.6
+          env:
+            TOXENV: windows-pinned
+        - os: ubuntu-18.04
+          python-version: pypy3
+          env:
+            TOXENV: pypy3-pinned
+            PYPY_VERSION: 3.6-v7.2.0
 
         # extras
         - os: ubuntu-18.04