diff --git a/Externals.cfg b/Externals.cfg
index 4eec4ffdbf..5ccd7982c8 100644
--- a/Externals.cfg
+++ b/Externals.cfg
@@ -3,7 +3,7 @@ protocol = git
 repo_url = https://github.com/NOAA-GSL/regional_workflow
 # Specify either a branch name or a hash but not both.
 #branch = feature/RRFS_dev1
-hash = 9f01f6b
+hash = 1a4e5a0
 local_path = regional_workflow
 required = True