diff --git a/coq-lambda-rust.opam b/coq-lambda-rust.opam
index 6f3c54526cd217e1635850c4cfa0ff24bd4b665e..ff4b74ffd8835a5b04459f5d8771bd9a625ce1a4 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.2022-05-13.5.de41b20f") | (= "dev") }
+  "coq-iris" { (= "dev.2022-05-16.1.1b5e1bc6") | (= "dev") }
 ]
 
 build: [make "-j%{jobs}%"]