diff --git a/coq-lambda-rust.opam b/coq-lambda-rust.opam
index bdd09c85ec3fc4e61510c8db286972c395fa03f7..fbb95c7321aec86f567f001b3d05eb3f1c71c063 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.2023-12-15.0.5fbf777b") | (= "dev") }
+  "coq-iris" { (= "dev.2023-12-26.0.0e93d3f3") | (= "dev") }
 ]
 
 build: [make "-j%{jobs}%"]