diff --git a/Externals_CAM.cfg b/Externals_CAM.cfg
index a1c76e7db5..9ea695165f 100644
--- a/Externals_CAM.cfg
+++ b/Externals_CAM.cfg
@@ -50,9 +50,9 @@ tag = ALI_ARMS_v1.0.1
 required = True
 
 [atmos_phys]
-tag = atmos_phys0_02_006
+branch = dadadj
 protocol = git
-repo_url = https://github.com/ESCOMP/atmospheric_physics
+repo_url = https://github.com/jtruesdal/atmospheric_physics
 required = True
 local_path = src/atmos_phys