diff --git a/pkgs/by-name/op/openshadinglanguage/package.nix b/pkgs/by-name/op/openshadinglanguage/package.nix
index 800d0097ca64..9d0dc4df17a1 100644
--- a/pkgs/by-name/op/openshadinglanguage/package.nix
+++ b/pkgs/by-name/op/openshadinglanguage/package.nix
@@ -22,13 +22,13 @@ let
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "openshadinglanguage";
-  version = "1.15.3.0";
+  version = "1.15.5.0";
 
   src = fetchFromGitHub {
     owner = "AcademySoftwareFoundation";
     repo = "OpenShadingLanguage";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-xNu973TbPIIOLpZDe2E9sRmX7GpidQeQrKkpz7zkuBY=";
+    hash = "sha256-edtYKN2obQexQtclrIUflm3upc14MhHQ7eLvit5Hqq0=";
   };
 
   cmakeFlags = [