diff --git a/build-constraints.yaml b/build-constraints.yaml
index 7063bbcb..b1ffc086 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -64,7 +64,7 @@ packages:
         # GHC 8 - binary-conduit
         # GHC 8 - lzma-conduit
         # GHC 8 - mutable-containers
-        # GHC 8 - hpc-coveralls
+        - hpc-coveralls
         - monad-unlift
         # GHC 8 - monad-unlift-ref
         - yaml
@@ -320,7 +320,7 @@ packages:
 
     "Andrew Farmer <afarmer@ittc.ku.edu>":
         - scotty
-        # GHC 8 - wai-middleware-static
+        - wai-middleware-static
 
     "Simon Hengel <sol@typeful.net>":
         - hspec
@@ -2079,7 +2079,7 @@ packages:
         - rotating-log
         - ua-parser
         - hs-GeoIP
-        # GHC 8 - retry
+        - retry
         # GHC 8 - katip
         # GHC 8 - katip-elasticsearch