diff --git a/coq-lambda-rust.opam b/coq-lambda-rust.opam
index 834a0af8aaae58cc57b4829dab022ce58758dd0a..f0bcaae772eeb42ed26c00fa1cd3348ab4f52deb 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.2021-03-03.0.d43301e7") | (= "dev") }
+  "coq-gpfsl" { (= "dev.2021-03-07.0.6acef1f1") | (= "dev") }
 ]
 
 build: [make "-j%{jobs}%"]