diff --git a/opam b/opam
index 0ffbd247423bf66d992ecf11d4e526f7f4753d2d..b023fac07c78d2c49fe1087bdabf98eb51611987 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.2019-09-19.3.aa7871c7") | (= "dev") }
+  "coq-iris" { (= "dev.2019-10-09.0.15f1ac56") | (= "dev") }
 ]