diff --git a/build-constraints.yaml b/build-constraints.yaml
index c15cb763..aa71015d 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -72,7 +72,7 @@ packages:
         - yesod-test
         - yesod-websockets
         - cereal-conduit
-        # GHC 8 - binary-conduit
+        - binary-conduit
         # GHC 8 - lzma-conduit
         - mutable-containers
         - hpc-coveralls
@@ -576,11 +576,11 @@ packages:
         - HandsomeSoup
 
     "Clint Adams <clint@debian.org> @clinty":
-        # GHC 8 - hOpenPGP
+        - hOpenPGP
         - openpgp-asciiarmor
         - MusicBrainz
         - DAV
-        # GHC 8 - hopenpgp-tools
+        - hopenpgp-tools
         - opensource
 
     "Joey Hess <id@joeyh.name> @joeyh":