diff --git a/appveyor.yml b/appveyor.yml
index 7fe8072a0f..26449fd65c 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -229,7 +229,5 @@ deploy_script:
           & python script\release\uploaders\upload.py --verbose
         }
       } elseif (Test-Path Env:\TEST_WOA) {
-        # temporarily disabled due to issues from chromium roll
-        # node script/release/ci-release-build.js --job=electron-woa-testing --ci=VSTS --armTest --appveyorJobId=$env:APPVEYOR_JOB_ID $env:APPVEYOR_REPO_BRANCH
-        echo "Skipping WOA testing for now"
+        node script/release/ci-release-build.js --job=electron-woa-testing --ci=VSTS --armTest --appveyorJobId=$env:APPVEYOR_JOB_ID $env:APPVEYOR_REPO_BRANCH
       }
diff --git a/patches/chromium/.patches b/patches/chromium/.patches
index a5ebda64b5..05d611ee27 100644
--- a/patches/chromium/.patches
+++ b/patches/chromium/.patches
@@ -106,3 +106,4 @@ fix_add_check_for_sandbox_then_result.patch
 extend_apply_webpreferences.patch
 fix_expose_decrementcapturercount_in_web_contents_impl.patch
 add_setter_for_browsermainloop_result_code.patch
+revert_roll_clang_llvmorg-13-init-7051-gdad5caa5-2.patch
diff --git a/patches/chromium/revert_roll_clang_llvmorg-13-init-7051-gdad5caa5-2.patch b/patches/chromium/revert_roll_clang_llvmorg-13-init-7051-gdad5caa5-2.patch
new file mode 100644
index 0000000000..542807de6f
--- /dev/null
+++ b/patches/chromium/revert_roll_clang_llvmorg-13-init-7051-gdad5caa5-2.patch
@@ -0,0 +1,23 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: deepak1556 <hop2deep@gmail.com>
+Date: Fri, 30 Apr 2021 16:36:14 -0700
+Subject: Revert "Roll clang llvmorg-13-init-7051-gdad5caa5-2 :
+ llvmorg-13-init-7296-ga749bd76-1"
+
+This reverts commit 6da81f26271d1efe8c3da6dd7cfb409d35763a35.
+
+This broke WoA builds, ref: https://github.com/electron/electron/issues/28876
+
+diff --git a/tools/clang/scripts/update.py b/tools/clang/scripts/update.py
+index 603d9d165cf43b5efb1c18501eb4c29d6f8d558b..33cd83fc835e0204a4aba0e17d2152b3021a4c35 100755
+--- a/tools/clang/scripts/update.py
++++ b/tools/clang/scripts/update.py
+@@ -39,7 +39,7 @@ import zipfile
+ # https://chromium.googlesource.com/chromium/src/+/main/docs/updating_clang.md
+ # Reverting problematic clang rolls is safe, though.
+ # This is the output of `git describe` and is usable as a commit-ish.
+-CLANG_REVISION = 'llvmorg-13-init-7296-ga749bd76'
++CLANG_REVISION = 'llvmorg-13-init-7051-gdad5caa5'
+ CLANG_SUB_REVISION = 2
+ 
+ PACKAGE_VERSION = '%s-%s' % (CLANG_REVISION, CLANG_SUB_REVISION)