diff --git a/Externals.cfg b/Externals.cfg
index 52debb90d4..2c87423756 100644
--- a/Externals.cfg
+++ b/Externals.cfg
@@ -30,7 +30,7 @@ protocol = git
 repo_url = https://github.com/NOAA-EMC/UPP
 # Specify either a branch name or a hash but not both.
 #branch = RRFS_dev
-hash = 661c5de
+hash = d530f79
 local_path = src/EMC_post
 required = True
 externals = None