diff --git a/.changeset/wild-taxis-trade.md b/.changeset/wild-taxis-trade.md
new file mode 100644
index 000000000..9b3f1de5c
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@@ -0,0 +1,5 @@
+---
+"@ethereum-waffle/chai": patch
+---
+
+Don't rely on ethers for checking if object is an instance of Contract