diff --git a/opam b/opam
index 6e0055ed38a08223a584482192853ae4172988c4..5e0e080256e46b7e8f972c1561ea80f638079fe5 100644
--- a/opam
+++ b/opam
@@ -10,7 +10,7 @@ build: [make "-j%{jobs}%"]
 install: [make "install"]
 remove: ["rm" "-rf" "%{lib}%/coq/user-contrib/iris"]
 depends: [
-  "coq" { >= "8.6.1" & < "8.8~" }
+  "coq" { (>= "8.6.1" & < "8.8~") | (= "dev") }
   "coq-mathcomp-ssreflect" { (>= "1.6.1" & < "1.7~") | (= "dev") }
   "coq-stdpp" { (= "dev.2017-11-22.1") | (= "dev") }
 ]