diff --git a/build-constraints.yaml b/build-constraints.yaml
index cdb2cc1a..0b88dce3 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1326,15 +1326,13 @@ packages:
         # GHC 8 - ekg-statsd # Maintained by @tibbe.
         - flow
         # GHC 8 - github-release
+        - gpolyline # Maintained by @fegu.
         - lackey
         - octane
-        # https://github.com/Gabriel439/Haskell-Optparse-Generic-Library/issues/23
-        # GHC 8 - optparse-generic # Maintained by @Gabriel439.
-        # https://github.com/tfausak/ratel/issues/1
-        # GHC 8 - ratel
-        # GHC 8 - ratel-wai
-        # GHC 8 - strive
-        # GHC 8 - wuss
+        - ratel
+        - ratel-wai
+        - strive
+        - wuss
 
     "Marios Titas <redneb@gmx.com> @redneb":
         - btrfs