diff --git a/opam b/opam
index 048f1379046e58c3a331257c12dbc5d8bddc611e..aad382cfae8dd95126d9c1b22bbdfaa9a4b83b4c 100644
--- a/opam
+++ b/opam
@@ -9,5 +9,5 @@ build: [make "-j%{jobs}%"]
 install: [make "install"]
 remove: [ "sh" "-c" "rm -rf '%{lib}%/coq/user-contrib/actris" ]
 depends: [
-  "coq-iris" { (= "dev.2020-07-21.2.e989ad6b") | (= "dev") }
+  "coq-iris" { (= "dev.2020-09-03.1.7dd1b9af") | (= "dev") }
 ]