diff --git a/contracts/base/package-lock.json b/contracts/base/package-lock.json
index 64cf1e3..e4b6083 100644
--- a/contracts/base/package-lock.json
+++ b/contracts/base/package-lock.json
@@ -4789,9 +4789,9 @@
       }
     },
     "node_modules/immutable": {
-      "version": "4.3.8",
-      "resolved": "https://registry.npmjs.org/immutable/-/immutable-4.3.8.tgz",
-      "integrity": "sha512-d/Ld9aLbKpNwyl0KiM2CT1WYvkitQ1TSvmRtkcV8FKStiDoA7Slzgjmb/1G2yhKM1p0XeNOieaTbFZmU1d3Xuw==",
+      "version": "4.3.9",
+      "resolved": "https://registry.npmjs.org/immutable/-/immutable-4.3.9.tgz",
+      "integrity": "sha512-ObHy4YN7ycwZOUCLI1/6svfyAFu7vL8RhAvVu/bh/RZW9EPlOyDaQ9jDQWCtdqzaXUjgXZCW1migtHE7YI7UGQ==",
       "dev": true,
       "license": "MIT"
     },