diff --git a/coq-lambda-rust.opam b/coq-lambda-rust.opam
index e62117350312362182c55979b154454c059c1b35..0a47f7a5b556338f094fcdbaaaf2e83cc7aece1e 100644
--- a/coq-lambda-rust.opam
+++ b/coq-lambda-rust.opam
@@ -13,7 +13,7 @@ the type system, and safety proof for some Rust libraries.
 """
 
 depends: [
-  "coq-iris" { (= "dev.2023-08-09.1.92e6f4d4") | (= "dev") }
+  "coq-iris" { (= "dev.2023-09-11.0.1de1b311") | (= "dev") }
 ]
 
 build: [make "-j%{jobs}%"]