diff --git a/atmosphere/um_env.yaml b/atmosphere/um_env.yaml
index 8502480..08c5d84 100644
--- a/atmosphere/um_env.yaml
+++ b/atmosphere/um_env.yaml
@@ -10,9 +10,9 @@ RPSEED: ''
 RUNID: HI-24
 TYPE: NRUN
 UM_ATM_NPROCX: '16'
-UM_ATM_NPROCY: '12'
+UM_ATM_NPROCY: '15'
 UM_NAM_MAX_SECONDS: '300'
-UM_NPES: '192'
+UM_NPES: '240'
 UM_SECTOR_SIZE: '2048'
 UM_STDOUT_FILE: atm.fort6.pe
 VN: '7.3'
diff --git a/config.yaml b/config.yaml
index 0cd04e4..8c57af8 100644
--- a/config.yaml
+++ b/config.yaml
@@ -34,7 +34,7 @@ model: access
 submodels:
     - name: atmosphere
       model: um
-      ncpus: 192
+      ncpus: 240
       exe: um_hg3.exe
       input:
         # Aerosols