diff --git a/opam b/opam
index 25f54dbf650e4f16567e1d9cef4eac2b3752d981..5318f354a0e1e4d663d675f5a50c5bc4fbbc7c3e 100644
--- a/opam
+++ b/opam
@@ -12,5 +12,5 @@ install: [make "install"]
 remove: ["rm" "-rf" "%{lib}%/coq/user-contrib/iris"]
 depends: [
   "coq" { (= "8.7.2") | (= "8.8.2") | (>= "8.9" & < "8.11~") | (= "dev") }
-  "coq-stdpp" { (= "dev.2019-09-12.0.f53dfb6d") | (= "dev") }
+  "coq-stdpp" { (= "dev.2019-09-19.0.b53cbe77") | (= "dev") }
 ]