diff --git a/opam b/opam
index 1afd1a748a5a7494c93c18824b633bd89ec7918a..7ab3bcf9b2cab81a201be69292e5d97b73ee1908 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" & < "8.8~" | (= "dev") }
-  "coq-stdpp" { (= "dev.2018-02-23.0") | (= "dev") }
+  "coq-stdpp" { (= "dev.2018-03-21.0") | (= "dev") }
 ]