diff --git a/opam b/opam
index c753648ccaec6507b8778e2bd946f19e51031e26..df51f92091fc6c78bf6c78c3bc8a9d196dfdd485 100644
--- a/opam
+++ b/opam
@@ -16,7 +16,7 @@ This branch uses a proper weak memory model.
 """
 
 depends: [
-  "coq-gpfsl" { (= "dev.2020-05-29.0.e03c51b6") | (= "dev") }
+  "coq-gpfsl" { (= "dev.2020-06-06.0.d7449e86") | (= "dev") }
 ]
 
 build: [make "-j%{jobs}%"]