diff --git a/pkgs/development/interpreters/spidermonkey/140.nix b/pkgs/development/interpreters/spidermonkey/140.nix
index f3ea1a1c1dd7..f66957465bf9 100644
--- a/pkgs/development/interpreters/spidermonkey/140.nix
+++ b/pkgs/development/interpreters/spidermonkey/140.nix
@@ -1,4 +1,4 @@
 import ./common.nix {
-  version = "140.7.1";
-  hash = "sha512-fYZ/o8nJSQP2WDvnWtSqjZGPmPdMmcZhWg5AyvIcVFowFJEVIUh2aT7xdYoyDr3M7wF8SENlwZXlWZjM4IhmPA==";
+  version = "140.9.0";
+  hash = "sha512-vAP9KnPQCoi9Cjye6u/mGP+zQib7e8L6xKAiRv8p/gOEI793U4Jz7m+sJfsePk+pi7UiAmrjQnoK1fQdLsa6mA==";
 }