diff --git a/qa/packaging/src/test/java/org/elasticsearch/packaging/test/DockerTests.java b/qa/packaging/src/test/java/org/elasticsearch/packaging/test/DockerTests.java
index 40752e5b296bc..23b778aa0878b 100644
--- a/qa/packaging/src/test/java/org/elasticsearch/packaging/test/DockerTests.java
+++ b/qa/packaging/src/test/java/org/elasticsearch/packaging/test/DockerTests.java
@@ -1211,7 +1211,6 @@ private List<String> listPlugins() {
     /**
      * Check that readiness listener works
      */
-    @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/108523")
     public void test500Readiness() throws Exception {
         assertFalse(readinessProbe(9399));
         // Disabling security so we wait for green
@@ -1221,7 +1220,8 @@ public void test500Readiness() throws Exception {
         );
         waitForElasticsearch(installation);
         dumpDebug();
-        assertTrue(readinessProbe(9399));
+        // readiness may still take time as file settings are applied into cluster state (even non-existent file settings)
+        assertBusy(() -> assertTrue(readinessProbe(9399)));
     }
 
     @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/99508")