diff --git a/hack/jenkins/linux_integration_tests_virtualbox.sh b/hack/jenkins/linux_integration_tests_virtualbox.sh
index 13ba5ff0cd..f307a81f86 100755
--- a/hack/jenkins/linux_integration_tests_virtualbox.sh
+++ b/hack/jenkins/linux_integration_tests_virtualbox.sh
@@ -28,7 +28,7 @@ set -e
 OS_ARCH="linux-amd64"
 VM_DRIVER="virtualbox"
 JOB_NAME="Linux-VirtualBox"
-PARALLEL_COUNT=4
+PARALLEL_COUNT=3
 
 # Download files and set permissions
 source ./common.sh