diff --git a/build-constraints.yaml b/build-constraints.yaml
index edf26588..9d041cfa 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -71,6 +71,9 @@ packages:
         - srcloc
         - symbol
 
+    "Patrick Bahr <paba@itu.dk>":
+        - equivalence
+
     "Rob Stewart <robstewart57@gmail.com> @robstewart57":
         - gitlab-haskell