diff --git a/ArmVirtPkg/PlatformCI/.azurepipelines/Ubuntu-GCC5.yml b/ArmVirtPkg/PlatformCI/.azurepipelines/Ubuntu-GCC5.yml
index b9452ec5bf..c5e14248bc 100644
--- a/ArmVirtPkg/PlatformCI/.azurepipelines/Ubuntu-GCC5.yml
+++ b/ArmVirtPkg/PlatformCI/.azurepipelines/Ubuntu-GCC5.yml
@@ -17,7 +17,7 @@ jobs:
   - job: Platform_CI
     variables:
       package: 'ArmVirtPkg'
-      vm_image: 'ubuntu-latest'
+      vm_image: 'ubuntu-18.04'
       should_run: true
       run_flags: "MAKE_STARTUP_NSH=TRUE QEMU_HEADLESS=TRUE"