diff --git a/opam b/opam
index 55db4e7d5cff2e71eee6b50e0ef3c3130bb4ecc2..aeeee9ae3d4a0be38848ce4d1860eaea9380f631 100644
--- a/opam
+++ b/opam
@@ -11,5 +11,5 @@ build: [make "-j%{jobs}%"]
 install: [make "install"]
 remove: [ "sh" "-c" "rm -rf '%{lib}%/coq/user-contrib/lrust'" ]
 depends: [
-  "coq-iris" { (= "dev.2018-02-23.0") | (= "dev") }
+  "coq-iris" { (= "dev.2018-03-12.0") | (= "dev") }
 ]