diff --git a/tests/org.eclipse.ui.tests/build.properties b/tests/org.eclipse.ui.tests/build.properties
index ac2cc2d09c9..58e95be5593 100644
--- a/tests/org.eclipse.ui.tests/build.properties
+++ b/tests/org.eclipse.ui.tests/build.properties
@@ -31,3 +31,6 @@ src.includes = about.html
 # Maven properties, see https://github.com/eclipse/tycho/wiki/Tycho-Pomless
 pom.model.property.testClass = org.eclipse.ui.tests.UiTestSuite
 pom.model.property.defaultSigning-excludeInnerJars = true
+# This suite runs ~7 min on Linux but ~3x slower on the macOS CI runners, where it
+# exceeds the inherited 1200s surefire.timeout and the forked test VM is killed.
+pom.model.property.surefire.timeout = 1800