diff --git a/.github/workflows/ci-linux.yaml b/.github/workflows/ci-linux.yaml
index ddeddbda4..8f161c054 100644
--- a/.github/workflows/ci-linux.yaml
+++ b/.github/workflows/ci-linux.yaml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.6", "3.7", "3.8", "3.9"]
+        python-version: ["3.7", "3.8", "3.9"]
         os: [ubuntu-18.04, ubuntu-20.04]
 
     steps:
diff --git a/.github/workflows/ci-osx.yaml b/.github/workflows/ci-osx.yaml
index 23cd0e80d..a413f8863 100644
--- a/.github/workflows/ci-osx.yaml
+++ b/.github/workflows/ci-osx.yaml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.6", "3.7", "3.8", "3.9"]
+        python-version: ["3.7", "3.8", "3.9"]
 
     steps:
       - name: Checkout source
diff --git a/.github/workflows/ci-windows.yaml b/.github/workflows/ci-windows.yaml
index 4b7b1d0c1..88922aa04 100644
--- a/.github/workflows/ci-windows.yaml
+++ b/.github/workflows/ci-windows.yaml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.6", "3.7", "3.8", "3.9"]
+        python-version: ["3.7", "3.8", "3.9"]
 
     steps:
       - name: Checkout source