diff --git a/global/overlay/etc/puppet/setup_cosmos_modules b/global/overlay/etc/puppet/setup_cosmos_modules
index f5113a7..2f6d6a8 100755
--- a/global/overlay/etc/puppet/setup_cosmos_modules
+++ b/global/overlay/etc/puppet/setup_cosmos_modules
@@ -98,6 +98,11 @@ def main():
     modulesfile_tmp: str = modulesfile + ".tmp"
 
     modules: dict = {
+        "nagioscfg": {
+            "repo": "https://github.com/SUNET/puppet-nagioscfg.git",
+            "upgrade": "yes",
+            "tag": "sunet-2*",
+        },
         "sunet": {
             "repo": "https://github.com/SUNET/puppet-sunet.git",
             "upgrade": "yes",