diff --git a/opam b/opam
index b5bd22f23f9521174751ef7ce3e6cb90b5203e77..0e2dace148ea7bf906d2aa9752bc35e685a8c911 100644
--- a/opam
+++ b/opam
@@ -9,5 +9,5 @@ build: [make "-j%{jobs}%"]
 install: [make "install"]
 remove: [ "sh" "-c" "rm -rf '%{lib}%/coq/user-contrib/actris" ]
 depends: [
-  "coq-iris-heap-lang" { (= "dev.2020-11-11.2.dc3b7961") | (= "dev") }
+  "coq-iris-heap-lang" { (= "dev.2020-11-11.4.e34f8ac7") | (= "dev") }
 ]