diff --git a/Externals.cfg b/Externals.cfg
index befa477456..71460394ab 100644
--- a/Externals.cfg
+++ b/Externals.cfg
@@ -30,7 +30,7 @@ required = True
 local_path = cime
 protocol = git
 repo_url = https://github.com/ESMCI/cime
-tag = cime5.7.9
+tag = cime5.8.0
 required = True
 
 [externals_description]