diff --git a/opam b/opam
index 88b82e36ad1acc963bb7f20ea5bc2f6e9de0ce61..302f6004e7de4cbf4cb5c15455bf254c0809c9ef 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/igps" ]
 depends: [
-  "coq-iris" { (= "dev.2018-12-08.0.5c61abfb") | (= "dev") }
+  "coq-iris" { (= "dev.2018-12-30.0.f8e99264") | (= "dev") }
 ]