diff --git a/.github/workflows/test-e2e.yml b/.github/workflows/test-e2e.yml
index e12541a9cea..ba65fa7e6b7 100644
--- a/.github/workflows/test-e2e.yml
+++ b/.github/workflows/test-e2e.yml
@@ -22,9 +22,9 @@ jobs:
       fail-fast: false
       matrix:
         wp: # Test against Prev-Prev Major, Prev-Major, and current Major release versions.
-          - "6.3"
           - "6.4"
           - "6.5"
+          - "6.6"
         theme:
           - "https://downloads.wordpress.org/theme/go.zip"
           - "" # Default theme is TwentyTwentyThree