diff --git a/opam b/opam
index bcc4e605589d85ee70dbcee7fc558cb6de787450..5953582a47d84335403cf5b28e53b842d41cc3e1 100644
--- a/opam
+++ b/opam
@@ -14,7 +14,7 @@ the type system, and safety proof for some Rust libraries.
 """
 
 depends: [
-  "coq-iris" { (= "dev.2020-04-07.4.8a3bd004") | (= "dev") }
+  "coq-iris" { (= "dev.2020-04-07.7.64bed0ca") | (= "dev") }
 ]
 
 build: [make "-j%{jobs}%"]