diff --git a/.github/workflows/codequality.yaml b/.github/workflows/codequality.yaml
index b36889f..c78c407 100644
--- a/.github/workflows/codequality.yaml
+++ b/.github/workflows/codequality.yaml
@@ -5,7 +5,7 @@ on:
 
 jobs:
   code-quality:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       fail-fast: false
       matrix:
diff --git a/.github/workflows/unittest.yml b/.github/workflows/unittest.yml
index f53bbab..19e9a25 100644
--- a/.github/workflows/unittest.yml
+++ b/.github/workflows/unittest.yml
@@ -17,11 +17,11 @@ jobs:
 
   unit-test:
     needs: [build, code-quality]
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.6, 3.7, 3.8, 3.9, "3.10", "3.11", "3.12", "3.13"]
+        python-version: [3.7, 3.8, 3.9, "3.10", "3.11", "3.12", "3.13"]
 
     steps:
       - uses: actions/checkout@v4
@@ -35,6 +35,6 @@ jobs:
           path: ./dist
       - name: Install
         run: |
-          pip install `echo dist/*.whl`[dev]
+          pip install `echo dist/*.whl`[dev] "bqplot<0.13" "pandas<3" "ruff==0.8.3"
       - name: test
         run: pytest --cov=reacton reacton