diff --git a/coq-iris.opam b/coq-iris.opam
index b93e3784dd4c5c3224c15cd34c39fec65995b3c3..f32425b7d2b87825e6236182cfed4570458c5c5c 100644
--- a/coq-iris.opam
+++ b/coq-iris.opam
@@ -14,7 +14,7 @@ iris.prelude, iris.algebra, iris.si_logic, iris.bi, iris.proofmode, iris.base_lo
 
 depends: [
   "coq" { (>= "8.11" & < "8.14~") | (= "dev") }
-  "coq-stdpp" { (= "2021-01-23.0.1f7d13f3") | (= "dev") }
+  "coq-stdpp" { (= "dev.2021-01-23.0.1f7d13f3") | (= "dev") }
 ]
 
 build: ["./make-package" "iris" "-j%{jobs}%"]