diff --git a/.github/workflows/test-python-app.yml b/.github/workflows/test-python-app.yml
index 3f61d12..71d2cdd 100644
--- a/.github/workflows/test-python-app.yml
+++ b/.github/workflows/test-python-app.yml
@@ -12,7 +12,7 @@ permissions:
 
 jobs:
   check:
-    runs-on: ubuntu-23.10
+    runs-on: ubuntu-latest
 
     steps:
       - name: checkout repository
@@ -24,7 +24,7 @@ jobs:
       - name: python set up
         uses: actions/setup-python@v5
         with:
-          python-version: "3.11"
+          python-version: "3.12"
           cache: "pip"
 
       - name: python cache set up
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 8e93ae2..30660a6 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -62,7 +62,7 @@ repos:
       - id: trailing-whitespace
 
   - repo: https://github.com/charliermarsh/ruff-pre-commit
-    rev: "v0.4.0"
+    rev: "v0.4.2"
     hooks:
       - id: ruff
         args: [--fix, --exit-non-zero-on-fix]
@@ -116,4 +116,4 @@ repos:
   #     # - id: perlimports
 
 default_language_version:
-  python: python3.11
+  python: python3.12
diff --git a/.ruff.toml b/.ruff.toml
index 9edd063..fa7b32f 100644
--- a/.ruff.toml
+++ b/.ruff.toml
@@ -1,6 +1,6 @@
 fix = true               # auto-fix findings
 line-length = 88         # same as Black
-target-version = "py311" # Python 3.11
+target-version = "py312" # Python 3.12
 
 [lint]
 # comment this out to use only default rules (["E4", "E7", "E9", "F"])