diff --git a/coq-lambda-rust.opam b/coq-lambda-rust.opam
index ff4b74ffd8835a5b04459f5d8771bd9a625ce1a4..d2edb313fe766c36e6bb28b6a4c938e9940ff7a4 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.2022-05-16.1.1b5e1bc6") | (= "dev") }
+  "coq-iris" { (= "dev.2022-05-16.2.2ce5597c") | (= "dev") }
 ]
 
 build: [make "-j%{jobs}%"]