diff --git a/coq-lambda-rust.opam b/coq-lambda-rust.opam
index 332b6f849ef7e1399ef0a60c2a758dbaaaf6a32d..27668a4afc3d7fceaeed8067a403e499eb71c33d 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.2022-01-12.0.8b085901") | (= "dev") }
+  "coq-iris" { (= "dev.2022-01-13.0.5070f7f5") | (= "dev") }
 ]
 
 build: [make "-j%{jobs}%"]