diff --git a/coq-gpfsl.opam b/coq-gpfsl.opam
index 4226a6685e2f74ea5643eb67f7bbd50bdf7b024c..4e49562addb47284d1d37d25d6841cdf20016efb 100644
--- a/coq-gpfsl.opam
+++ b/coq-gpfsl.opam
@@ -10,7 +10,7 @@ version: "dev"
 synopsis: "A combination of GPS and FSL in the promising semantics WITHOUT promises"
 
 depends: [
-  "coq-iris"  { (= "dev.2024-08-19.1.f11d6aab") | (= "dev") }
+  "coq-iris"  { (= "dev.2024-08-20.0.657b34ad") | (= "dev") }
   "coq-orc11" {= version}
 ]