diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index cfda3d10d..0d2c8bd68 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -10,7 +10,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-20.04]
-        python-version: [3.7, 3.8, 3.9]
+        python-version: [3.7]
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}
diff --git a/Pipfile b/Pipfile
index 48759307c..e0f1d83d8 100644
--- a/Pipfile
+++ b/Pipfile
@@ -9,7 +9,7 @@ verify_ssl = true
 name = "piwheels"
 
 [requires]
-python_version = "3.6"
+python_version = "3.7"
 
 [packages]
 dateparser = "~=0.7.6"