diff --git a/.changeset/spotty-maps-glow.md b/.changeset/spotty-maps-glow.md
new file mode 100644
index 000000000..4bc94cfa8
--- /dev/null
+++ b/.changeset/spotty-maps-glow.md
@@ -0,0 +1,6 @@
+---
+"@colony/contractor": minor
+"@colony/sdk": minor
+---
+
+Add support for `imwss`, `imwss2` and `imwss3` on Arbitrum