diff --git a/pom.xml b/pom.xml
index 5762dc2289e..60e55d8b39b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -411,6 +411,10 @@
 					<!-- 1C means the number of threads times 1 possible maximum forks for testing-->
 					<forkCount>${test-forkCount}</forkCount>
 					<reuseForks>false</reuseForks>
+					<!-- Deterministic class ordering so a hang reproduces at the same
+					     boundary across CI and local runs (default filesystem order
+					     varies by machine, which hid the component-c fork hang). -->
+					<runOrder>alphabetical</runOrder>
 					<!-- Kill hung test forks before CI cancels the whole job. -->
 					<forkedProcessTimeoutInSeconds>${test-forkedProcessTimeout}</forkedProcessTimeoutInSeconds>
 					<!-- Force-kill forks that still have live threads after the test class completes. -->