diff --git a/build-constraints.yaml b/build-constraints.yaml
index 0410b3d8..b9c4c6c8 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -353,19 +353,19 @@ packages:
         - active
         # GHC 8 - BlogLiterately
         # GHC 8 - BlogLiterately-diagrams
-        # GHC 8 - diagrams
+        - diagrams
         # GHC 8 - diagrams-builder
         # GHC 8 - diagrams-haddock
         # GHC 8 - diagrams-cairo
-        # GHC 8 - diagrams-contrib
-        # GHC 8 - diagrams-core
+        - diagrams-contrib
+        - diagrams-core
         # GHC 8 - diagrams-gtk
-        # GHC 8 - diagrams-lib
+        - diagrams-lib
         # GHC 8 - diagrams-postscript
         # GHC 8 - diagrams-rasterific
-        # GHC 8 - diagrams-svg
+        - diagrams-svg
         - dual-tree
-        # GHC 8 - force-layout
+        - force-layout
         # GHC 8 - haxr
         - MonadRandom
         - monoid-extras