diff --git a/build-constraints.yaml b/build-constraints.yaml
index ed958c5a..bf0de309 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4345,10 +4345,6 @@ packages:
         - Win32 == 2.6.1.0
 
     "Stackage upper bounds":
-        # https://github.com/kuribas/cubicbezier/issues/9
-        # waiting on cubicbezier
-        - matrices < 0.5 # build failure because of cubicbezier
-
         # https://github.com/commercialhaskell/stackage/issues/4290
         - http-client < 0.6