diff --git a/Externals.cfg b/Externals.cfg
index 79ef73091b..c140b1ac4a 100644
--- a/Externals.cfg
+++ b/Externals.cfg
@@ -2,7 +2,8 @@
 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
+# The use of a RRFS_dev1 tag here is not an archival mistake, and was a development choice during the real time run.
+branch = RRFS_dev1_20211207
 #hash = b2b7e959
 local_path = regional_workflow
 required = True
@@ -45,7 +46,7 @@ required = True
 protocol = git
 repo_url = https://github.com/NOAA-GSL/GSI.git
 # Specify either a branch name or a hash but not both.
-branch = feature/rrfs
+branch = rrfs_20211207
 #hash = dceca26
 local_path = src/gsi
 required = True