diff --git a/build-constraints.yaml b/build-constraints.yaml
index f9a16504..34f62595 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -191,6 +191,13 @@ packages:
         - psqueues
         - websockets
 
+    "haskell-opengl":
+        - OpenGL
+        - GLURaw
+        - GLUT
+        - OpenGLRaw
+        - StateVar
+
     "Antoine Latter":
         - byteorder
         - uuid
@@ -1313,10 +1320,16 @@ packages:
 
     "Michael Walker <mike@barrucadu.co.uk> @barrucadu":
         - both
+        - irc-ctcp
+        - irc-conduit
+        - irc-client
 
     "Trevor Elliott <awesomelyawesome@gmail.com> @elliottt":
         - irc
 
+    "Dennis Gosnell <cdep.illabout@gmail.com> @cdepillabout":
+        - ig
+
     "Stackage upper bounds":
         # https://github.com/fpco/stackage/issues/537
         - zlib < 0.6
@@ -1743,9 +1756,6 @@ expected-test-failures:
     # https://github.com/haskell/haddock/issues/390 GHC 7.10
     - haddock-library
 
-    # https://github.com/ekmett/machines/issues/44
-    - machines
-
     # https://github.com/haskell/ghc-events/issues/9
     - ghc-events
 
@@ -1931,3 +1941,9 @@ github-users:
         - meteficha
     analytics:
         - ekmett
+    haskell-opengl:
+        - ekmett
+        # - svenpanne
+        # - elliottt
+        # - jmcarthur
+