diff --git a/coq-lambda-rust.opam b/coq-lambda-rust.opam
index 452c7085e6cee94dd994e5a9d9903d6b3ba1fcb3..8278a042b51c13e0b88f431650f4dae883429eb5 100644
--- a/coq-lambda-rust.opam
+++ b/coq-lambda-rust.opam
@@ -15,7 +15,7 @@ This branch uses a proper weak memory model.
 """
 
 depends: [
-  "coq-gpfsl" { (= "dev.2022-07-05.0.9fd93395") | (= "dev") }
+  "coq-gpfsl" { (= "dev.2022-07-05.1.34861bff") | (= "dev") }
 ]
 
 build: [make "-j%{jobs}%"]