diff --git a/opam b/opam
index 1b429b5761ecc209c7bb0d147ede84e79dc71d9c..5799c2c0d4dc7331d26152270723be9ff0ed8536 100644
--- a/opam
+++ b/opam
@@ -11,5 +11,5 @@ install: [make "install"]
 remove: ["rm" "-rf" "%{lib}%/coq/user-contrib/iris"]
 depends: [
   "coq" { (>= "8.7.1" & < "8.9~") | (= "dev") }
-  "coq-stdpp" { (= "dev.2018-06-25.1.0eb9a89b") | (= "dev") }
+  "coq-stdpp" { (= "dev.2018-06-30.1.1a21e908") | (= "dev") }
 ]