diff --git a/build-constraints.yaml b/build-constraints.yaml
index 753a9511..27bf4374 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -875,7 +875,7 @@ packages:
         - openpgp-asciiarmor
         - MusicBrainz
         - DAV
-        # - hopenpgp-tools # https://github.com/fpco/stackage/issues/2812
+        - hopenpgp-tools
         - opensource
 
     "Piyush P Kurur <ppk@cse.iitk.ac.in> @piyush-kurur":