diff --git a/build-constraints.yaml b/build-constraints.yaml
index c8b9ee08..8e8d6685 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1173,6 +1173,15 @@ packages:
         - monad-peel
         - Network-NineP
 
+    "Oliver Charles <ollie@ocharles.org.uk:
+        - engine-io
+        - diff3
+        - digestive-functors-aeson
+        - exhaustive
+        - libsystemd-journal
+        - network-carbon
+        - socket-io
+
     "Stackage upper bounds":
         # https://github.com/fpco/stackage/issues/537
         - zlib < 0.6