diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 7a49916..f654362 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Python 3.10 and PDM 2.10.0
         uses: pdm-project/setup-pdm@v3
         with:
@@ -30,7 +30,7 @@ jobs:
           pdm run make html
           cd ..
       - name: Create and upload GitHub Pages artifact
-        uses: actions/upload-pages-artifact@v1
+        uses: actions/upload-pages-artifact@v2
         with:
           path: docs/_build/html
   deploy:
diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index 22bbc75..e56271b 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Python 3.10 and PDM 2.10.0
         uses: pdm-project/setup-pdm@v3
         with:
@@ -31,7 +31,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Python 3.10 and PDM 2.4.9
         uses: pdm-project/setup-pdm@v3
         with:
diff --git a/.github/workflows/generation.yml b/.github/workflows/generation.yml
index 6d9cb0a..4719833 100644
--- a/.github/workflows/generation.yml
+++ b/.github/workflows/generation.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Python 3.10 and PDM 2.10.0
         uses: pdm-project/setup-pdm@v3
         with:
diff --git a/.github/workflows/linting.yml b/.github/workflows/linting.yml
index 3d8a1b1..6f91e1e 100644
--- a/.github/workflows/linting.yml
+++ b/.github/workflows/linting.yml
@@ -16,7 +16,7 @@ jobs:
         python-version: ['3.8', '3.9', '3.10']
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }} and PDM 2.4.9
         uses: pdm-project/setup-pdm@v3
         with:
@@ -37,7 +37,7 @@ jobs:
         python-version: ['3.8', '3.9', '3.10']
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }} and PDM 2.10.0
         uses: pdm-project/setup-pdm@v3
         with:
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index fff0038..5e845c2 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -13,10 +13,10 @@ jobs:
     runs-on: ubuntu-22.04
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10']
+        python-version: ['3.9', '3.10']
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }} and PDM 2.10.0
         uses: pdm-project/setup-pdm@v3
         with: