diff --git a/config/longrun_configs/longrun_hs_rhoe_equil_55km_nz63_0M.yml b/config/longrun_configs/longrun_hs_rhoe_equil_55km_nz63_0M.yml
index 164ef58811..5ef780c7fc 100644
--- a/config/longrun_configs/longrun_hs_rhoe_equil_55km_nz63_0M.yml
+++ b/config/longrun_configs/longrun_hs_rhoe_equil_55km_nz63_0M.yml
@@ -3,7 +3,7 @@ z_elem: 63
 z_max: 55000.0
 dz_bottom: 30.0
 dz_top: 3000.0
-dt: "180secs"
+dt: "120secs"
 t_end: "300days"
 moist: "equil"
 precip_model: "0M"
diff --git a/config/longrun_configs/longrun_hs_rhoe_equil_55km_nz63_0M_deepatmos.yml b/config/longrun_configs/longrun_hs_rhoe_equil_55km_nz63_0M_deepatmos.yml
index 441b388a0d..dcb013565c 100644
--- a/config/longrun_configs/longrun_hs_rhoe_equil_55km_nz63_0M_deepatmos.yml
+++ b/config/longrun_configs/longrun_hs_rhoe_equil_55km_nz63_0M_deepatmos.yml
@@ -3,7 +3,7 @@ z_elem: 63
 z_max: 55000.0
 dz_bottom: 30.0
 dz_top: 3000.0
-dt: "180secs"
+dt: "100secs"
 t_end: "300days"
 deep_atmosphere: true
 moist: "equil"