diff --git a/Reconstruction/egamma/egammaValidation/CMakeLists.txt b/Reconstruction/egamma/egammaValidation/CMakeLists.txt
index 3d34ec33ae5b69d339c5e04e9f8e8069902a26e3..fa9cd2a8f7b1c703db21a5d7b59a054a4d617706 100644
--- a/Reconstruction/egamma/egammaValidation/CMakeLists.txt
+++ b/Reconstruction/egamma/egammaValidation/CMakeLists.txt
@@ -19,5 +19,5 @@ atlas_install_scripts( test/*.sh scripts/*py )
 
 atlas_add_test( ut_egammaARTJob_test
 	        SCRIPT test/ut_egammaARTJob_test.sh
-		PROPERTIES TIMEOUT 600
+		PROPERTIES TIMEOUT 900
 )