diff --git a/build-constraints.yaml b/build-constraints.yaml
index e7553487..4f82b673 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -935,7 +935,7 @@ packages:
         - regex-posix
         - regex-tdfa
         #- regex-tdfa-utf8
-        #- regex-tre
+        - regex-tre
 
         # Purescript
         - bower-json