diff --git a/.github/workflows/fleetctl-workstations.yml b/.github/workflows/fleetctl-workstations.yml
index 68e62ffe90..f67b9dbbc8 100644
--- a/.github/workflows/fleetctl-workstations.yml
+++ b/.github/workflows/fleetctl-workstations.yml
@@ -43,6 +43,6 @@ jobs:
           FLEET_TEAM_NAME: 💻 Workstations
           MDM_CONFIG_REPO: fleetdm/fleet
           MDM_CONFIG_DIRECTORY: mdm_profiles
-          MAC_OS_MIN_VERSION: 13.3.1
-          MAC_OS_VERSION_DEADLINE: 2023-05-15
+          MAC_OS_MIN_VERSION: 13.4.0
+          MAC_OS_VERSION_DEADLINE: '2023-05-26'
           MAC_OS_ENABLE_DISK_ENCRYPTION: true