diff --git a/.github/workflows/ci_develop.yaml b/.github/workflows/ci_develop.yaml
index b8084ab..ac3b06e 100644
--- a/.github/workflows/ci_develop.yaml
+++ b/.github/workflows/ci_develop.yaml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.9", "3.10"]
+        python-version: ["3.8", "3.9"]
 
     
     steps:
@@ -44,7 +44,7 @@ jobs:
     runs-on: windows-latest
     strategy:
       matrix:
-        python-version: ["3.9", "3.10"]
+        python-version: ["3.8", "3.9"]
     
     steps:
       - name: Clone repo
@@ -78,7 +78,7 @@ jobs:
     runs-on: macos-latest
     strategy:
       matrix:
-        python-version: ["3.9", "3.10"]
+        python-version: ["3.8", "3.9"]
     
     steps:
       - name: Clone repo