diff --git a/packages/server/scripts/test.sh b/packages/server/scripts/test.sh
index a147843bb3..48766026aa 100644
--- a/packages/server/scripts/test.sh
+++ b/packages/server/scripts/test.sh
@@ -4,8 +4,8 @@ set -e
 if [[ -n $CI ]]
 then
   export NODE_OPTIONS="--max-old-space-size=4096 --no-node-snapshot $NODE_OPTIONS"
-  echo "jest --coverage --maxWorkers=8 --forceExit --workerIdleMemoryLimit=2000MB --bail $@"
-  jest --coverage --maxWorkers=8 --forceExit --workerIdleMemoryLimit=2000MB --bail $@
+  echo "jest --coverage --maxWorkers=4 --forceExit --workerIdleMemoryLimit=2000MB --bail $@"
+  jest --coverage --maxWorkers=4 --forceExit --workerIdleMemoryLimit=2000MB --bail $@
 else
   # --maxWorkers performs better in development
   export NODE_OPTIONS="--no-node-snapshot $NODE_OPTIONS"