diff --git a/.config/CredScanSuppressions.json b/.config/CredScanSuppressions.json
deleted file mode 100644
index cc237f71d86c..000000000000
--- a/.config/CredScanSuppressions.json
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-    "tool": "Credential Scanner",
-    "suppressions": [
-      {
-        "file": [
-          "file:///mnt/vss/_work/1/a/extension/extension/.nox/install_python_libs/lib/python3.8/site-packages/setuptools/_distutils/command%5Cregister.py",
-          "file:///mnt/vss/_work/1/b/extension/extension/.nox/install_python_libs/lib/python3.8/site-packages/setuptools/_distutils/command%5Cregister.py"
-        ],
-        "_justification": "These are not real passwords. For documentation purposes only."
-      }
-    ]
-  }
diff --git a/.github/actions/build-vsix/action.yml b/.github/actions/build-vsix/action.yml
index 929ecb31a6d3..c2515247de97 100644
--- a/.github/actions/build-vsix/action.yml
+++ b/.github/actions/build-vsix/action.yml
@@ -31,10 +31,10 @@ runs:
       uses: dtolnay/rust-toolchain@stable
 
     # Jedi LS depends on dataclasses which is not in the stdlib in Python 3.7.
-    - name: Use Python 3.8 for JediLSP
+    - name: Use Python 3.9 for JediLSP
       uses: actions/setup-python@v5
       with:
-        python-version: 3.8
+        python-version: 3.9
         cache: 'pip'
         cache-dependency-path: |
           requirements.txt
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 53ee0f003668..4b65b91a2cdf 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -165,7 +165,7 @@ jobs:
         # macOS runners are expensive, and we assume that Ubuntu is enough to cover the Unix case.
         os: [ubuntu-latest, windows-latest]
         # Run the tests on the oldest and most recent versions of Python.
-        python: ['3.8', '3.x', '3.13-dev']
+        python: ['3.9', '3.x', '3.13']
 
     steps:
       - name: Checkout
diff --git a/.github/workflows/pr-check.yml b/.github/workflows/pr-check.yml
index b6bdaa8e250b..4b1ea54618b8 100644
--- a/.github/workflows/pr-check.yml
+++ b/.github/workflows/pr-check.yml
@@ -147,7 +147,7 @@ jobs:
         # macOS runners are expensive, and we assume that Ubuntu is enough to cover the Unix case.
         os: [ubuntu-latest, windows-latest]
         # Run the tests on the oldest and most recent versions of Python.
-        python: ['3.8', '3.x', '3.13-dev'] # run for 3 pytest versions, most recent stable, oldest version supported and pre-release
+        python: ['3.9', '3.x', '3.13'] # run for 3 pytest versions, most recent stable, oldest version supported and pre-release
         pytest-version: ['pytest', 'pytest@pre-release', 'pytest==6.2.0']
 
     steps:
diff --git a/build/azure-pipeline.pre-release.yml b/build/azure-pipeline.pre-release.yml
index 3236b43d0098..6c6600365529 100644
--- a/build/azure-pipeline.pre-release.yml
+++ b/build/azure-pipeline.pre-release.yml
@@ -71,7 +71,7 @@ extends:
 
       - task: UsePythonVersion@0
         inputs:
-          versionSpec: '3.8'
+          versionSpec: '3.9'
           addToPath: true
           architecture: 'x64'
         displayName: Select Python version
diff --git a/build/azure-pipeline.stable.yml b/build/azure-pipeline.stable.yml
index f9a37c5a9ec5..cae56854118e 100644
--- a/build/azure-pipeline.stable.yml
+++ b/build/azure-pipeline.stable.yml
@@ -65,7 +65,7 @@ extends:
 
       - task: UsePythonVersion@0
         inputs:
-          versionSpec: '3.8'
+          versionSpec: '3.9'
           addToPath: true
           architecture: 'x64'
         displayName: Select Python version
diff --git a/build/ci/conda_env_1.yml b/build/ci/conda_env_1.yml
index e9d08d0820a4..4f9ceefd27fb 100644
--- a/build/ci/conda_env_1.yml
+++ b/build/ci/conda_env_1.yml
@@ -1,4 +1,4 @@
 name: conda_env_1
 dependencies:
-  - python=3.8
+  - python=3.9
   - pip
diff --git a/build/ci/conda_env_2.yml b/build/ci/conda_env_2.yml
index 80b946c3cc14..af9d7a46ba3e 100644
--- a/build/ci/conda_env_2.yml
+++ b/build/ci/conda_env_2.yml
@@ -1,4 +1,4 @@
 name: conda_env_2
 dependencies:
-  - python=3.8
+  - python=3.9
   - pip
diff --git a/python_files/jedilsp_requirements/requirements.in b/python_files/jedilsp_requirements/requirements.in
index 8bafda64375e..74cfb91585eb 100644
--- a/python_files/jedilsp_requirements/requirements.in
+++ b/python_files/jedilsp_requirements/requirements.in
@@ -2,7 +2,7 @@
 # To update requirements.txt, run the following commands.
 # Use Python 3.8 when creating the environment or using pip-tools
 # 1) Install `uv` https://docs.astral.sh/uv/getting-started/installation/
-# 2) uv pip compile --generate-hashes --upgrade python_files\jedilsp_requirements\requirements.in > python_files\jedilsp_requirements\requirements.txt
+# 2) uv pip compile --generate-hashes --upgrade python_files\jedilsp_requirements\requirements.in -o python_files\jedilsp_requirements\requirements.txt
 
 jedi-language-server>=0.34.3
 pygls>=0.10.3
diff --git a/requirements.in b/requirements.in
index 566b012c27d9..a1e2243c553e 100644
--- a/requirements.in
+++ b/requirements.in
@@ -1,7 +1,7 @@
 # This file is used to generate requirements.txt.
 # To update requirements.txt, run the following commands.
 # 1) Install `uv` https://docs.astral.sh/uv/getting-started/installation/
-# 2) uv pip compile --generate-hashes --upgrade requirements.in > requirements.txt
+# 2) uv pip compile --generate-hashes --upgrade requirements.in -o requirements.txt
 
 # Unittest test adapter
 typing-extensions==4.13.2
diff --git a/requirements.txt b/requirements.txt
index 464d3abb1315..3983d5414c54 100644
Binary files a/requirements.txt and b/requirements.txt differ