diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bbdf02d57d..71a631153f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -59,6 +59,14 @@ jobs:
           python-version: "2.7.16"
           architecture: x64
 
+      - name: Remove unused versions of Python
+        if: startsWith(matrix.os, 'windows')
+        run: |-
+          $env:PATH -split ";" |
+            Where-Object { Test-Path "$_\python.exe" } |
+            Select-Object -Skip 1 |
+            ForEach-Object { Move-Item "$_" "$_.disabled" }
+
       - name: Environment (common)
         run: |
           echo ::set-env name=GH_ACTIONS::1
diff --git a/third_party b/third_party
index 8132faa910..54a98143f8 160000
--- a/third_party
+++ b/third_party
@@ -1 +1 @@
-Subproject commit 8132faa910c498d4b52cb87fe7141058445a60b3
+Subproject commit 54a98143f8ba78da045cb41a5db3ef0cfb099c5d
diff --git a/tools/gclient_config.py b/tools/gclient_config.py
index e100e9947c..bfabaee1ed 100644
--- a/tools/gclient_config.py
+++ b/tools/gclient_config.py
@@ -26,7 +26,7 @@ solutions = [
     },
     {
         'url':
-        'https://chromium.googlesource.com/chromium/tools/depot_tools@efce0d1b7657c440c90f0f4bce614b96672b9e0b',
+        'https://chromium.googlesource.com/chromium/tools/depot_tools@23247b99321549c24e62ad45200409419423695d',
         'name':
         'depot_tools'
     },