diff --git a/azure/azure_style.yaml b/azure/azure_style.yaml
index 5ccf121..96b5eb3 100644
--- a/azure/azure_style.yaml
+++ b/azure/azure_style.yaml
@@ -24,15 +24,15 @@ parameters:
 jobs:
   - job: flake8
     pool:
-      vmImage: "ubuntu-22.04"
+      vmImage: "ubuntu-24.04"
     timeoutInMinutes: ${{ parameters.TIMEOUT }}
     continueOnError: ${{ parameters.IGNORE_STYLE }}
     strategy:
       matrix:
-        "py39":
-          PYTHON_VERSION: "3.9"
         "py311":
           PYTHON_VERSION: "3.11"
+        "py313":
+          PYTHON_VERSION: "3.13"
     steps:
       - checkout: self
       - checkout: azure_template
@@ -59,21 +59,21 @@ jobs:
 
   - job: black
     pool:
-      vmImage: "ubuntu-22.04"
+      vmImage: "ubuntu-24.04"
     timeoutInMinutes: ${{ parameters.TIMEOUT }}
     continueOnError: ${{ parameters.IGNORE_STYLE }}
     steps:
       - task: UsePythonVersion@0
         inputs:
-          versionSpec: "3.9"
+          versionSpec: "3.11"
       - script: |
           pip install wheel
-          pip install black==23.1.0
-          black . --check --diff -l 120 --target-version py39 --target-version py311
+          pip install black==25.1.0
+          black . --check --diff -l 120 --target-version py31 --target-version py313
 
   - job: isort
     pool:
-      vmImage: "ubuntu-22.04"
+      vmImage: "ubuntu-24.04"
     timeoutInMinutes: ${{ parameters.TIMEOUT }}
     condition: ${{ parameters.ISORT }}
     steps:
@@ -81,7 +81,7 @@ jobs:
       - checkout: azure_template
       - task: UsePythonVersion@0
         inputs:
-          versionSpec: "3.9"
+          versionSpec: "3.11"
       - script: |
           cd ${{ parameters.REPO_NAME }}
 
@@ -96,7 +96,7 @@ jobs:
 
   - job: pylint
     pool:
-      vmImage: "ubuntu-22.04"
+      vmImage: "ubuntu-24.04"
     timeoutInMinutes: ${{ parameters.TIMEOUT }}
     condition: ${{ parameters.PYLINT }}
     steps:
@@ -104,7 +104,7 @@ jobs:
       - checkout: azure_template
       - task: UsePythonVersion@0
         inputs:
-          versionSpec: "3.9"
+          versionSpec: "3.11"
       - script: |
           cd ${{ parameters.REPO_NAME }}
 
@@ -116,7 +116,7 @@ jobs:
 
   - job: clang_format
     pool:
-      vmImage: "ubuntu-22.04"
+      vmImage: "ubuntu-24.04"
     timeoutInMinutes: ${{ parameters.TIMEOUT }}
     condition: ${{ parameters.CLANG_FORMAT }}
     steps:
@@ -139,7 +139,7 @@ jobs:
 
   - job: fprettify
     pool:
-      vmImage: "ubuntu-22.04"
+      vmImage: "ubuntu-24.04"
     timeoutInMinutes: ${{ parameters.TIMEOUT }}
     condition: ${{ parameters.FPRETTIFY }}
     steps:
@@ -147,7 +147,7 @@ jobs:
       - checkout: azure_template
       - task: UsePythonVersion@0
         inputs:
-          versionSpec: "3.9"
+          versionSpec: "3.11"
       - script: |
           cd ${{ parameters.REPO_NAME }}
 
diff --git a/flake8-requirements.txt b/flake8-requirements.txt
index 6be24e5..39b8987 100644
--- a/flake8-requirements.txt
+++ b/flake8-requirements.txt
@@ -1,4 +1,4 @@
-flake8==5.0.4
+flake8==7.3.0
 flake8-bugbear
 flake8-builtins
 flake8-docstrings