diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 07835499..64672881 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.10"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
         os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps:
@@ -39,7 +39,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.10"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
         os: [ubuntu-18.04]
     runs-on: ${{ matrix.os }}
     steps:
diff --git a/.python-version b/.python-version
index 902b2c90..548d7136 100644
--- a/.python-version
+++ b/.python-version
@@ -1 +1 @@
-3.11
\ No newline at end of file
+3.7
\ No newline at end of file