diff --git a/build-constraints.yaml b/build-constraints.yaml
index 8eaeaa0b..ae3c99e6 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3165,7 +3165,7 @@ packages:
         - tonalude
         - tonatona
         - tonatona-logger
-        - tonatona-servant < 0 # https://github.com/tonatona-project/tonatona/issues/40
+        - tonatona-servant
         - tonatona-persistent-sqlite
         - tonatona-persistent-postgresql