diff --git a/build-constraints.yaml b/build-constraints.yaml
index 63ce4162..881d3fad 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -936,13 +936,13 @@ packages:
         - regex-applicative-text
         - servant-yaml
         - spdx
+        - these
         - time-parsers
         - waitra
 
         # Not a maintainer
         - haxl
         - monad-time
-        #- these
 
         # fft
         - carray