diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 30f8e2b..b96c5d9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.6, 3.7, 3.8]
+        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10"]
         poetry-version: [1.0, 1.1.11]
         os: [ubuntu-18.04, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
diff --git a/README.md b/README.md
index 406e815..3aa6866 100644
--- a/README.md
+++ b/README.md
@@ -25,8 +25,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.6, 3.7, 3.8]
-        poetry-version: [1.0, 1.1.11]
+        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10"]
+        poetry-version: ["1.0", "1.1.11"]
         os: [ubuntu-18.04, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps: