diff --git a/roles/koschei/backend/templates/config-backend.cfg.j2 b/roles/koschei/backend/templates/config-backend.cfg.j2
index df80a908ca..92403e0b11 100644
--- a/roles/koschei/backend/templates/config-backend.cfg.j2
+++ b/roles/koschei/backend/templates/config-backend.cfg.j2
@@ -57,8 +57,11 @@ config = {
             "interval": 20*60, # in seconds
             {% endif %}
         },
-        "resolver": {
-            "memory_limit": 4 * 1024**3,
+        "build_resolver": {
+            "memory_limit": 1024**3,
+        },
+        "repo_resolver": {
+            "memory_limit": 1024**3,
         },
     },
     "priorities": {