diff --git a/opam b/opam
index 5804c347622231202c123c72001c85962df71acd..668709e3e4f725804e0cf3731aed78e849e3df66 100644
--- a/opam
+++ b/opam
@@ -11,6 +11,6 @@ build: [make "-j%{jobs}%"]
 install: [make "install"]
 remove: ["rm" "-rf" "%{lib}%/coq/user-contrib/iris"]
 depends: [
-  "coq" { (= "8.8.2") | (>= "8.9" & < "8.12~") | (= "dev") }
+  "coq" { (= "8.8.2") | (>= "8.9.1" & < "8.12~") | (= "dev") }
   "coq-stdpp" { (= "dev.2019-11-07.0.37e95a04") | (= "dev") }
 ]