diff --git a/pkgs/development/ocaml-modules/janestreet/0.15.nix b/pkgs/development/ocaml-modules/janestreet/0.15.nix
index 969dadb9f55a..846d04315bb4 100644
--- a/pkgs/development/ocaml-modules/janestreet/0.15.nix
+++ b/pkgs/development/ocaml-modules/janestreet/0.15.nix
@@ -663,7 +663,8 @@ with self;
 
   ppx_inline_test = janePackage {
     pname = "ppx_inline_test";
-    hash = "1a0gaj9p6gbn5j7c258mnzr7yjlq0hqi3aqqgyj1g2dbk1sxdbjz";
+    version = "0.15.1";
+    hash = "sha256-9Up4/VK4gayuwbPc3r6gVRj78ILO2G3opL5UDOTKOgk=";
     minimalOCamlVersion = "4.04.2";
     meta.description = "Syntax extension for writing in-line tests in ocaml code";
     propagatedBuildInputs = [ ppxlib time_now ];