diff --git a/coq-iris.opam b/coq-iris.opam
index 07f5e11b1a641e37e7d7266542146243148624bf..898dba3eaf3aace5c85f313c54a70e5478b56717 100644
--- a/coq-iris.opam
+++ b/coq-iris.opam
@@ -15,7 +15,7 @@ iris.prelude, iris.algebra, iris.si_logic, iris.bi, iris.proofmode, iris.base_lo
 
 depends: [
   "coq" { (>= "8.12" & < "8.14~") | (= "dev") }
-  "coq-stdpp" { (= "dev.2021-06-17.3.3bddee70") | (= "dev") }
+  "coq-stdpp" { (= "dev.2021-06-18.0.0a38be45") | (= "dev") }
 ]
 
 build: ["./make-package" "iris" "-j%{jobs}%"]