diff --git a/opam b/opam
index 059494fca512920b67f5d87353c9329e383156c8..8d3353de4e5e180878395f54af5e15578d2ade30 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.2018-06-14.0.6c1d1ebf") | (= "dev") }
+  "coq-stdpp" { (= "dev.2018-06-20.0.b2ca5d48") | (= "dev") }
 ]