diff --git a/coq-lambda-rust.opam b/coq-lambda-rust.opam
index 3d0f42c00baa00b5f561ff5374ba0d842a93d642..6b749ba8cec697fd3d3e856f752a35f7e15f6b84 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.2020-11-05.0.a8de2115") | (= "dev") }
+  "coq-gpfsl" { (= "dev.2020-11-17.0.921e8532") | (= "dev") }
 ]
 
 build: [make "-j%{jobs}%"]