diff --git a/coq-lambda-rust.opam b/coq-lambda-rust.opam
index 85cbe973124583b783f32a326a31031c3c06c038..14af0da53f7c322a37dff254758db3bff71db41f 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.2023-09-14.3.60632dd7") | (= "dev") }
+  "coq-iris" { (= "dev.2023-09-26.0.32e79061") | (= "dev") }
 ]
 
 build: [make "-j%{jobs}%"]