diff --git a/build-constraints.yaml b/build-constraints.yaml
index 0c75114f..88ea7fa6 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -635,7 +635,6 @@ packages:
         # - diagrams-core # GHC 8.2.1 via dual-tree
         # - diagrams-gtk # bounds: optparse-applicative
         # - diagrams-lib # GHC 8.2.1 via diagrams-core
-        # - diagrams-postscript # GHC 8.2.1 via diagrams-core
         # - diagrams-rasterific # bounds: optparse-applicative
         # - diagrams-svg # bounds: optparse-applicative
         # - dual-tree # via testing-feat
@@ -1665,7 +1664,10 @@ packages:
         - autoexporter
         - bento
         - bmp # Maintained by @benl23x5.
-        - ekg-statsd
+        - Chart # Maintained by @timbod7.
+        - Chart-diagrams # Maintained by @timbod7.
+        - diagrams-postscript # Maintained by @byorgey.
+        - ekg-statsd # Maintained by @tibbe.
         - flow
         - github-release
         - gloss # Maintained by @benl23x5.
@@ -1679,6 +1681,7 @@ packages:
         - ratel
         - ratel-wai
         - rattletrap
+        - statestack # Maintained by @byorgey.
         - strive
         - wuss
 
@@ -2697,7 +2700,6 @@ packages:
         - tuple
         - OneTuple
         # - SVGFonts # GHC 8.2.1 via diagrams-core
-        # - Chart-diagrams # bounds optparse-applicative
 
     "Aaron Levin <aaron.levin@soundcloud.com> @aaronmblevin":
         []