diff --git a/build-constraints.yaml b/build-constraints.yaml
index 5fba5bf0..a04c81e2 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1004,6 +1004,19 @@ packages:
         - auto
         - tagged-binary
 
+    "Ian Duncan <ian@iankduncan.com> @iand675":
+        - datadog
+        - growler
+        - feature-flags
+        - flowdock
+        - growler
+        - engine-io-growler
+        - metrics
+        - pipes-wai
+        - serf
+        - uri-templater
+        - librato
+        
     "Stackage upper bounds":
         # https://github.com/fpco/stackage/issues/476
         - vector-space < 0.10