diff --git a/pkgs/development/interpreters/spidermonkey/91.nix b/pkgs/development/interpreters/spidermonkey/91.nix
index ca771fa75fd6..0ffa5fc287d5 100644
--- a/pkgs/development/interpreters/spidermonkey/91.nix
+++ b/pkgs/development/interpreters/spidermonkey/91.nix
@@ -1,4 +1,4 @@
 import ./common.nix {
-  version = "91.12.0";
-  hash = "sha512-Mj+3UkiLRYcrQPCw7h2MHf+haHTb/yr94ZpUKGyCTvSBdyM+Ap+ur6WUYYTnHDHGvFun7BelceIa9k/F9zNAQg==";
+  version = "91.13.0";
+  hash = "sha512-OLTMUt4h521gYea6F14cv9iIoWBwqpUfWkQoPy251+lPJQRiHw2nj+rG5xSRptDnA49j3QrhEtytcA6wLpqlFg==";
 }