diff --git a/opam b/opam
index 8b3589d501569573d03632415effcee2fdbb6cb9..db43425a92819762dd3601f8a50f2c2dfcd1aed7 100644
--- a/opam
+++ b/opam
@@ -14,7 +14,7 @@ the type system, and safety proof for some Rust libraries.
 """
 
 depends: [
-  "coq-iris" { (= "dev.2020-10-02.0.5ab2529d") | (= "dev") }
+  "coq-iris" { (= "dev.2020-10-09.1.86125f9c") | (= "dev") }
 ]
 
 build: [make "-j%{jobs}%"]