diff --git a/configure/package-lock.json b/configure/package-lock.json
index f5addd05b..0eeab27b9 100644
--- a/configure/package-lock.json
+++ b/configure/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "configure",
-  "version": "5.1.4-20260616",
+  "version": "5.2.21-20260721",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "configure",
-      "version": "5.1.4-20260616",
+      "version": "5.2.21-20260721",
       "dependencies": {
         "@codemirror/lang-json": "^6.0.1",
         "@emotion/react": "^11.11.1",
@@ -24,7 +24,7 @@
         "clsx": "^2.0.0",
         "file-saver": "^2.0.5",
         "html2pug": "^4.0.0",
-        "immutable": "^5.0.0-beta.4",
+        "immutable": "^5.1.8",
         "leaflet": "^1.9.4",
         "papaparse": "^5.4.1",
         "react": "^17.0.2",
@@ -11408,9 +11408,10 @@
       }
     },
     "node_modules/immutable": {
-      "version": "5.0.0-beta.5",
-      "resolved": "https://registry.npmjs.org/immutable/-/immutable-5.0.0-beta.5.tgz",
-      "integrity": "sha512-1RO6wxfJdh/uyWb2MTn3RuCPXYmpRiAhoKm8vEnA50+2Gy0j++6GBtu5q6sq2d4tpcL+e1sCHzk8NkWnRhT2/Q=="
+      "version": "5.1.8",
+      "resolved": "https://registry.npmjs.org/immutable/-/immutable-5.1.8.tgz",
+      "integrity": "sha512-TM5YqrGeTsVIPPpILzeqZ8D2Zc2TvNgSDi88zPF2a4cyqQdWV/wVWBDRDbNzzrLeRWScrFcOX9lW2iX6GOtUDw==",
+      "license": "MIT"
     },
     "node_modules/import-fresh": {
       "version": "3.3.0",
diff --git a/configure/package.json b/configure/package.json
index deab6bc4f..67f06e97f 100644
--- a/configure/package.json
+++ b/configure/package.json
@@ -20,7 +20,7 @@
     "clsx": "^2.0.0",
     "file-saver": "^2.0.5",
     "html2pug": "^4.0.0",
-    "immutable": "^5.0.0-beta.4",
+    "immutable": "^5.1.8",
     "leaflet": "^1.9.4",
     "papaparse": "^5.4.1",
     "react": "^17.0.2",