diff --git a/build-constraints.yaml b/build-constraints.yaml
index 83be3722..4efdee9b 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -14,7 +14,7 @@ packages:
         - mathlist
 
     "Alexey Tochin <Alexey.Tochin@gmail.com> @alexeytochin":
-        - simple-expr < 0 # 0.1.0.2 compile fail
+        - simple-expr
         - inf-backprop
 
     "Felix Springer <felixspringer149@gmail.com> @jumper149":