diff --git a/tools/server-admin/build.gradle.kts b/tools/server-admin/build.gradle.kts
index 6b1c4a43e21..3041d1e0fd7 100644
--- a/tools/server-admin/build.gradle.kts
+++ b/tools/server-admin/build.gradle.kts
@@ -185,6 +185,9 @@ if (Os.isFamily(Os.FAMILY_MAC) && System.getenv("CI") != null) {
 }
 
 tasks.named<Test>("intTest").configure {
+  // Reduce likelihood of OOM due to too many Quarkus apps in memory;
+  // Ideally, set this number to the number of IT classes to run for each backend.
+  forkEvery = 5
   // Optional; comma-separated list of backend names to test against;
   // see NessieServerAdminTestBackends for valid values.
   systemProperty("backends", System.getProperty("backends"))