diff --git a/build-constraints.yaml b/build-constraints.yaml
index cd6baf91..8a798ca8 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2829,7 +2829,7 @@ packages:
     "Alexis King <lexi.lambda@gmail.com> @lexi-lambda":
         - test-fixture
         - text-conversions
-        # - th-to-exp # https://github.com/lexi-lambda/th-to-exp/issues/1
+        - th-to-exp
         - type-assertions
 
     "Patrick Chilton <chpatrick@gmail.com> @chpatrick":