diff --git a/roles/koji_hub/templates/hub.conf.j2 b/roles/koji_hub/templates/hub.conf.j2
index 3645e86ac6..e879518246 100644
--- a/roles/koji_hub/templates/hub.conf.j2
+++ b/roles/koji_hub/templates/hub.conf.j2
@@ -18,6 +18,7 @@ ProxyPrincipals = HTTP/koji.fedoraproject.org@FEDORAPROJECT.ORG,sigul/sign-bridg
 KojiDir = /mnt/koji
 MemoryWarnThreshold = 10000
 MaxRequestLength = 167772160
+RLIMIT_AS = 1073741824
 CheckClientIP = False
 
 # Kerb auth