diff --git a/Lib/test/test_json/test_recursion.py b/Lib/test/test_json/test_recursion.py
index ffd3404e6f77a07..d732fc80cf1cf30 100644
--- a/Lib/test/test_json/test_recursion.py
+++ b/Lib/test/test_json/test_recursion.py
@@ -68,6 +68,7 @@ def default(self, o):
             self.fail("didn't raise ValueError on default recursion")
 
 
+    @support.skip_if_pgo_task  # fails during PGO training w/ some stack sizes
     @support.skip_if_unlimited_stack_size
     @support.skip_emscripten_stack_overflow()
     @support.skip_wasi_stack_overflow()