diff --git a/EmulatorPkg/PlatformCI/.azurepipelines/Ubuntu-GCC5.yml b/EmulatorPkg/PlatformCI/.azurepipelines/Ubuntu-GCC5.yml
index 416c15e708..a32c57d4aa 100644
--- a/EmulatorPkg/PlatformCI/.azurepipelines/Ubuntu-GCC5.yml
+++ b/EmulatorPkg/PlatformCI/.azurepipelines/Ubuntu-GCC5.yml
@@ -15,6 +15,10 @@ trigger:
 pr:
   - master
   - stable/*
+
+variables:
+  - template: ../../../.azurepipelines/templates/defaults.yml
+
 jobs:
   - job: Platform_CI
     variables:
@@ -85,3 +89,4 @@ jobs:
         build_file: $(Build.File)
         build_flags: $(Build.Flags)
         run_flags: $(Run.Flags)
+        usePythonVersion: ${{ variables.default_python_version }}
diff --git a/EmulatorPkg/PlatformCI/.azurepipelines/Windows-VS2019.yml b/EmulatorPkg/PlatformCI/.azurepipelines/Windows-VS2019.yml
index e7ead06ae2..09960e7c7a 100644
--- a/EmulatorPkg/PlatformCI/.azurepipelines/Windows-VS2019.yml
+++ b/EmulatorPkg/PlatformCI/.azurepipelines/Windows-VS2019.yml
@@ -16,6 +16,9 @@ pr:
   - master
   - stable/*
 
+variables:
+  - template: ../../../.azurepipelines/templates/defaults.yml
+
 jobs:
   - job: Platform_CI
     variables:
@@ -128,3 +131,4 @@ jobs:
         build_file: $(Build.File)
         build_flags: $(Build.Flags)
         run_flags: $(Run.Flags)
+        usePythonVersion: ${{ variables.default_python_version }}