diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b68e3e54..8784429f 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -30,6 +30,8 @@ jobs:
         exclude:
           - os: ubuntu-latest
             python-version: 3.6
+          - os: ubuntu-latest
+            python-version: 3.7
           - os: macos-13
             python-version: 3.10
           - os: macos-13
@@ -49,6 +51,12 @@ jobs:
           - os: ubuntu-20.04
             python-version: 3.6
             dependencies: fresh
+          - os: ubuntu-20.04
+            python-version: 3.7
+            dependencies: pinned
+          - os: ubuntu-20.04
+            python-version: 3.7
+            dependencies: fresh
     
     env:
       # set requirements path based on Python version