diff --git a/etc/circt.json b/etc/circt.json
index 95a32dfc14..5fc483e282 100644
--- a/etc/circt.json
+++ b/etc/circt.json
@@ -1,3 +1,3 @@
 {
-  "version": "firtool-1.85.0"
+  "version": "firtool-1.86.0"
 }