diff --git a/crab/short-matrix1/task.py b/crab/short-matrix1/task.py
index a3d0acf95d2..a675aebc78f 100644
--- a/crab/short-matrix1/task.py
+++ b/crab/short-matrix1/task.py
@@ -18,8 +18,8 @@
 config.JobType.psetName = "pset.py"
 config.JobType.pluginName = "PrivateMC"
 config.JobType.maxJobRuntimeMin = 600
-config.JobType.maxMemoryMB = 4000
-config.JobType.numCores = 2
+config.JobType.maxMemoryMB = 8000
+config.JobType.numCores = 4
 config.JobType.allowUndistributedCMSSW = True
 config.JobType.scriptExe = "run.sh"
 config.JobType.disableAutomaticOutputCollection = True