diff --git a/.azure-pipelines/breaking-change-tests.yml b/.azure-pipelines/breaking-change-tests.yml
index 62b655c9a58..d30f2668241 100644
--- a/.azure-pipelines/breaking-change-tests.yml
+++ b/.azure-pipelines/breaking-change-tests.yml
@@ -22,9 +22,9 @@ jobs:
     fetchTags: true
     persistCredentials: true
   - task: UsePythonVersion@0
-    displayName: 'Use Python 3.12'
+    displayName: 'Use Python 3.13'
     inputs:
-      versionSpec: 3.12
+      versionSpec: 3.13
   - template: ${{ variables.Pipeline.Workspace }}/.azure-pipelines/templates/azdev_setup.yml
   - bash: |
       set -ev
diff --git a/azure-pipelines-full-tests.yml b/azure-pipelines-full-tests.yml
index 772c66fc694..bb1e07041ce 100644
--- a/azure-pipelines-full-tests.yml
+++ b/azure-pipelines-full-tests.yml
@@ -73,8 +73,8 @@ jobs:
       fullTest: true
       jobName: 'FullTest'
 
-- job: AutomationFullTestPython39ProfileLatest
-  displayName: Automation Full Test Python39 Profile Latest
+- job: AutomationFullTestPython312ProfileLatest
+  displayName: Automation Full Test Python312 Profile Latest
   timeoutInMinutes: 9999
   strategy:
     maxParallel: 8
@@ -100,15 +100,15 @@ jobs:
   steps:
   - template: .azure-pipelines/templates/automation_test.yml
     parameters:
-      pythonVersion: '3.9'
+      pythonVersion: '3.12'
       profile: 'latest'
       instance_cnt: '8'
       instance_idx: '$(Instance_idx)'
       fullTest: true
       jobName: 'FullTest'
 
-- job: AutomationFullTestPython312ProfileLatest
-  displayName: Automation Full Test Python312 Profile Latest
+- job: AutomationFullTestPython313ProfileLatest
+  displayName: Automation Full Test Python313 Profile Latest
   timeoutInMinutes: 9999
   strategy:
     maxParallel: 8
@@ -134,43 +134,9 @@ jobs:
   steps:
   - template: .azure-pipelines/templates/automation_test.yml
     parameters:
-      pythonVersion: '3.12'
+      pythonVersion: '3.13'
       profile: 'latest'
       instance_cnt: '8'
       instance_idx: '$(Instance_idx)'
       fullTest: true
       jobName: 'FullTest'
-
-- job: NotifyCIErrors
-  dependsOn:
-    - AutomationTest20200901
-    - AutomationTest20190301
-    - AutomationTest20180301
-    - AutomationFullTestPython39ProfileLatest
-  condition: and(failed(), in(variables['Build.Reason'], 'BatchedCI'))
-  displayName: Notify CI Errors
-  pool:
-    name: ${{ variables.ubuntu_pool }}
-  steps:
-  - task: UsePythonVersion@0
-    displayName: 'Use Python 3.12'
-    inputs:
-      versionSpec: 3.12
-  - task: AzureCLI@2
-    inputs:
-      azureSubscription: 'Azure CLI'
-      scriptType: 'bash'
-      scriptLocation: 'inlineScript'
-      inlineScript: |
-        pip install requests
-        teams_api_url=$(az keyvault secret show --vault-name $(TEAMS_BOT_VAULT_NAME) --name $(TEAMS_BOT_API_URL_SECRET_NAME) --query value -otsv)
-        teams_api_key=$(az keyvault secret show --vault-name $(TEAMS_BOT_VAULT_NAME) --name $(TEAMS_BOT_API_KEY_SECRET_NAME) --query value -otsv)
-        echo "If any task fails, notify to teams channel"
-        python scripts/ci/notify_ci_errors.py $teams_api_url $teams_api_key $(TEAMS_CHANNEL_ID)
-    displayName: 'Notify To Teams Channel'
-    env:
-      BASE_URI: $(System.CollectionUri)
-      PROJECT_TYPE: $(System.TeamProject)
-      BUILD_ID: $(Build.BuildId)
-      JOB_ID: $(System.JobId)
-    enabled: false
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 5ea273b6437..53d83fe8e0e 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -129,9 +129,9 @@ jobs:
 
   steps:
   - task: UsePythonVersion@0
-    displayName: 'Use Python 3.12'
+    displayName: 'Use Python 3.13'
     inputs:
-      versionSpec: 3.12
+      versionSpec: 3.13
 
   - bash: ./scripts/ci/dependency_check.sh
     displayName: 'Verify src/azure-cli/requirements.py3.Linux.txt'
@@ -144,9 +144,9 @@ jobs:
 
   steps:
   - task: UsePythonVersion@0
-    displayName: 'Use Python 3.12'
+    displayName: 'Use Python 3.13'
     inputs:
-      versionSpec: 3.12
+      versionSpec: 3.13
 
   - bash: ./scripts/ci/dependency_check.sh
     displayName: 'Verify src/azure-cli/requirements.py3.Darwin.txt'
@@ -159,9 +159,9 @@ jobs:
 
   steps:
   - task: UsePythonVersion@0
-    displayName: 'Use Python 3.12'
+    displayName: 'Use Python 3.13'
     inputs:
-      versionSpec: 3.12
+      versionSpec: 3.13
 
   - task: BatchScript@1
     inputs:
@@ -176,9 +176,9 @@ jobs:
     name: ${{ variables.ubuntu_pool }}
   steps:
   - task: UsePythonVersion@0
-    displayName: 'Use Python 3.12'
+    displayName: 'Use Python 3.13'
     inputs:
-      versionSpec: 3.12
+      versionSpec: 3.13
   - template: .azure-pipelines/templates/azdev_setup.yml
   - bash: |
       set -ev
@@ -440,9 +440,9 @@ jobs:
     name: ${{ variables.ubuntu_pool }}
   steps:
   - task: UsePythonVersion@0
-    displayName: 'Use Python 3.12'
+    displayName: 'Use Python 3.13'
     inputs:
-      versionSpec: 3.12
+      versionSpec: 3.13
 
   - task: PipAuthenticate@1
     condition: startsWith(variables['Build.SourceBranch'], 'refs/heads/release')
@@ -475,10 +475,10 @@ jobs:
   displayName: Test Python Wheels
   strategy:
     matrix:
-      Python39:
-        python.version: '3.9'
       Python312:
         python.version: '3.12'
+      Python313:
+        python.version: '3.13'
   dependsOn: BuildPythonWheel
   condition: succeeded()
   pool:
@@ -515,10 +515,10 @@ jobs:
     name: ${{ variables.ubuntu_pool }}
   strategy:
     matrix:
-      Python39:
-        python.version: '3.9'
       Python312:
         python.version: '3.12'
+      Python313:
+        python.version: '3.13'
   steps:
   - template: .azure-pipelines/templates/automation_test.yml
     parameters:
@@ -532,10 +532,10 @@ jobs:
     name: ${{ variables.ubuntu_pool }}
   strategy:
     matrix:
-      Python39:
-        python.version: '3.9'
       Python312:
         python.version: '3.12'
+      Python313:
+        python.version: '3.13'
   steps:
   - template: .azure-pipelines/templates/automation_test.yml
     parameters:
@@ -552,10 +552,10 @@ jobs:
     name: ${{ variables.ubuntu_pool }}
   strategy:
     matrix:
-      Python39:
-        python.version: '3.9'
       Python312:
         python.version: '3.12'
+      Python313:
+        python.version: '3.13'
   steps:
   - task: UsePythonVersion@0
     displayName: 'Use Python $(python.version)'
@@ -575,8 +575,8 @@ jobs:
     name: ${{ variables.ubuntu_pool }}
   strategy:
     matrix:
-      Python312:
-        python.version: '3.12'
+      Python313:
+        python.version: '3.13'
   steps:
   - task: UsePythonVersion@0
     displayName: 'Use Python $(python.version)'
@@ -1040,9 +1040,9 @@ jobs:
     name: ${{ variables.ubuntu_pool }}
   steps:
   - task: UsePythonVersion@0
-    displayName: 'Use Python 3.12'
+    displayName: 'Use Python 3.13'
     inputs:
-      versionSpec: 3.12
+      versionSpec: 3.13
   - template: .azure-pipelines/templates/azdev_setup.yml
   - bash: |
       set -ev
@@ -1057,9 +1057,9 @@ jobs:
     name: ${{ variables.ubuntu_pool }}
   steps:
   - task: UsePythonVersion@0
-    displayName: 'Use Python 3.12'
+    displayName: 'Use Python 3.13'
     inputs:
-      versionSpec: 3.12
+      versionSpec: 3.13
   - template: .azure-pipelines/templates/azdev_setup.yml
   - bash: |
       set -ev
@@ -1072,10 +1072,10 @@ jobs:
   displayName: "PerformanceCheck"
   strategy:
     matrix:
-      Python39:
-        python.version: '3.9'
       Python312:
         python.version: '3.12'
+      Python313:
+        python.version: '3.13'
   pool:
     name: ${{ variables.ubuntu_pool }}
   steps:
@@ -1103,9 +1103,9 @@ jobs:
     name: ${{ variables.ubuntu_pool }}
   steps:
   - task: UsePythonVersion@0
-    displayName: 'Use Python 3.12'
+    displayName: 'Use Python 3.13'
     inputs:
-      versionSpec: 3.12
+      versionSpec: 3.13
   - template: .azure-pipelines/templates/azdev_setup.yml
   - bash: |
       set -ev
@@ -1126,9 +1126,9 @@ jobs:
     name: ${{ variables.ubuntu_pool }}
   steps:
     - task: UsePythonVersion@0
-      displayName: 'Use Python 3.12'
+      displayName: 'Use Python 3.13'
       inputs:
-        versionSpec: 3.12
+        versionSpec: 3.13
     - template: .azure-pipelines/templates/azdev_setup.yml
     - bash: |
         set -ev
diff --git a/doc/command_guidelines.md b/doc/command_guidelines.md
index ff2b24dfdeb..90f10a2d8b5 100644
--- a/doc/command_guidelines.md
+++ b/doc/command_guidelines.md
@@ -426,7 +426,7 @@ Follow the [Error Handling Guidelines](https://github.com/Azure/azure-cli/blob/d
 
 ## Coding Practices
 
-- All code must support Python 3.8 ~ 3.12
+- All code must support Python 3.9 ~ 3.13
 - PRs to Azure/azure-cli and Azure/azure-cli-extensions must pass CI
 - Code must pass style checks with pylint and pep8
 - (*) All commands should have tests
diff --git a/doc/extensions/authoring.md b/doc/extensions/authoring.md
index e259d1d6761..0e4d8fd440c 100644
--- a/doc/extensions/authoring.md
+++ b/doc/extensions/authoring.md
@@ -130,7 +130,7 @@ See [Extension Metadata](metadata.md) for more information.
 
 ### Test your extension on Python 3
 
-- The Azure CLI supports Python 3.8 ~ 3.12 so verify that your extension does the same.
+- The Azure CLI supports Python 3.9 ~ 3.13 so verify that your extension does the same.
 - You can create virtual environments for different versions and run your extension in them.
 - e.g. `python3.8 -m venv env38` and `python3.10 -m venv env310`.
 
diff --git a/doc/install_linux_prerequisites.md b/doc/install_linux_prerequisites.md
index 4a72da6ca90..fda0bf564dd 100644
--- a/doc/install_linux_prerequisites.md
+++ b/doc/install_linux_prerequisites.md
@@ -6,11 +6,11 @@ Some native Linux packages are required when installing the CLI with:
 - Interactive installation script
 - `pip`
 
-Current supported Python versions are Python 3.8 ~ 3.10.
+Current supported Python versions are Python 3.9 ~ 3.13.
 
 The commands to run to install the dependencies for some common distributions are listed below.
 
-### Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Debian 9, Debian 10, Debian 11
+### Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Debian 11, Debian 12
 ```
 sudo apt-get update && sudo apt-get install -y libssl-dev libffi-dev python-dev build-essential
 ```
@@ -21,12 +21,3 @@ Install the latest Python 3.9 available in the software repo.
 sudo dnf install -y gcc libffi-devel python39-devel openssl-devel
 ```
 
-### SUSE OpenSUSE 13.2
-Install Python 3.8+ if needed.
-```
-sudo zypper refresh && sudo zypper --non-interactive install gcc libffi-devel python-devel openssl-devel
-```
-
-### Flatcar
-
-Python is installed in the Azure-specific distribution of Flatcar, but is installed into the non-standard location `/usr/share/oem/python/bin/python`.
diff --git a/scripts/ci/test_extensions.sh b/scripts/ci/test_extensions.sh
index d2f48c74a5b..aa809063029 100755
--- a/scripts/ci/test_extensions.sh
+++ b/scripts/ci/test_extensions.sh
@@ -25,7 +25,8 @@ exit_code=0
 # Disable alias temporarily: https://github.com/Azure/azure-cli/pull/27717
 # hybridaks is going to be deprecated: https://github.com/Azure/azure-cli/pull/29838
 # db-up is going to be deprecated: https://github.com/Azure/azure-cli/pull/29887
-ignore_list='azure-cli-ml fzf arcappliance arcdata connectedk8s k8s-extension alias hybridaks db-up'
+# serviceconnector-passwordless's dependency is not compatible with 3.13 https://github.com/Azure/azure-cli/pull/31895
+ignore_list='azure-cli-ml fzf arcappliance arcdata connectedk8s k8s-extension alias hybridaks db-up serviceconnector-passwordless'
 
 # Does not exit if az extension add fails until all extensions have been tested
 set +e
@@ -53,7 +54,7 @@ az self-test --debug
 if [ $? != 0 ]
 then
     exit_code=1
-    echo "Failed to verify:" $ext
+    echo "Failed to verify"
 fi
 
 exit $exit_code
diff --git a/scripts/regression_test/regression_test.yml b/scripts/regression_test/regression_test.yml
index 4881e28b626..bfd6329abb3 100644
--- a/scripts/regression_test/regression_test.yml
+++ b/scripts/regression_test/regression_test.yml
@@ -20,9 +20,9 @@ jobs:
   steps:
     - task: UsePythonVersion@0
       inputs:
-        versionSpec: '3.12'
-        displayName: "Use Python 3.12"
-    - task: AzureCLI@1
+        versionSpec: '3.13'
+        displayName: "Use Python 3.13"
+    - task: AzureCLI@2
       displayName: 'update version'
       inputs:
         azureSubscription: $(AZURE_SDK_INFRA_SUB_CONNECTED_SERVICE)
@@ -88,9 +88,9 @@ jobs:
   steps:
     - task: UsePythonVersion@0
       inputs:
-        versionSpec: '3.12'
-        displayName: "Use Python 3.12"
-    - task: AzureCLI@1
+        versionSpec: '3.13'
+        displayName: "Use Python 3.13"
+    - task: AzureCLI@2
       displayName: 'Checkout Target Branch'
       inputs:
         azureSubscription: $(AZURE_SDK_INFRA_SUB_CONNECTED_SERVICE)
diff --git a/src/azure-cli-core/setup.py b/src/azure-cli-core/setup.py
index da6b832c581..3a759f5cf8e 100644
--- a/src/azure-cli-core/setup.py
+++ b/src/azure-cli-core/setup.py
@@ -40,6 +40,7 @@
     'Programming Language :: Python :: 3.10',
     'Programming Language :: Python :: 3.11',
     'Programming Language :: Python :: 3.12',
+    'Programming Language :: Python :: 3.13',
     'License :: OSI Approved :: MIT License',
 ]
 
diff --git a/src/azure-cli-telemetry/setup.py b/src/azure-cli-telemetry/setup.py
index d188fa71f95..69e43595488 100755
--- a/src/azure-cli-telemetry/setup.py
+++ b/src/azure-cli-telemetry/setup.py
@@ -21,6 +21,7 @@
     'Programming Language :: Python :: 3.10',
     'Programming Language :: Python :: 3.11',
     'Programming Language :: Python :: 3.12',
+    'Programming Language :: Python :: 3.13',
     'License :: OSI Approved :: MIT License',
 ]
 
diff --git a/src/azure-cli-testsdk/setup.py b/src/azure-cli-testsdk/setup.py
index 4f567ef6705..ccbee7bc7f8 100644
--- a/src/azure-cli-testsdk/setup.py
+++ b/src/azure-cli-testsdk/setup.py
@@ -20,6 +20,7 @@
     'Programming Language :: Python :: 3.10',
     'Programming Language :: Python :: 3.11',
     'Programming Language :: Python :: 3.12',
+    'Programming Language :: Python :: 3.13',
     'License :: OSI Approved :: MIT License',
 ]
 
diff --git a/src/azure-cli/setup.py b/src/azure-cli/setup.py
index 485a8cfc68b..6b293a63f0f 100644
--- a/src/azure-cli/setup.py
+++ b/src/azure-cli/setup.py
@@ -47,6 +47,7 @@
     'Programming Language :: Python :: 3.10',
     'Programming Language :: Python :: 3.11',
     'Programming Language :: Python :: 3.12',
+    'Programming Language :: Python :: 3.13',
     'License :: OSI Approved :: MIT License',
 ]