diff --git a/Lib/test/libregrtest/single.py b/Lib/test/libregrtest/single.py
index 57d7b649d2ef63..958a915626ad24 100644
--- a/Lib/test/libregrtest/single.py
+++ b/Lib/test/libregrtest/single.py
@@ -283,7 +283,7 @@ def _runtest(result: TestResult, runtests: RunTests) -> None:
     try:
         setup_tests(runtests)
 
-        if output_on_failure:
+        if output_on_failure or runtests.pgo:
             support.verbose = True
 
             stream = io.StringIO()
diff --git a/Misc/NEWS.d/next/Tests/2025-06-14-13-20-17.gh-issue-135489.Uh0yVO.rst b/Misc/NEWS.d/next/Tests/2025-06-14-13-20-17.gh-issue-135489.Uh0yVO.rst
new file mode 100644
index 00000000000000..2c9ecc5182935b
--- /dev/null
+++ b/Misc/NEWS.d/next/Tests/2025-06-14-13-20-17.gh-issue-135489.Uh0yVO.rst
@@ -0,0 +1 @@
+Show verbose output for failing tests during PGO profiling step with --enable-optimizations.