diff --git a/sites/upsun/package-lock.json b/sites/upsun/package-lock.json
index 02b71627fc..e1a1303be5 100644
--- a/sites/upsun/package-lock.json
+++ b/sites/upsun/package-lock.json
@@ -20,7 +20,7 @@
         "axios": "^1.15.0",
         "express": "^4.22.1",
         "fs-extra": "^11.1.1",
-        "js-yaml": "^4.1.1",
+        "js-yaml": "^4.2.0",
         "mermaid": "^11.10.0",
         "octokit": "^3.1.2",
         "platformsh-config": "^2.4.1",
@@ -8546,9 +8546,19 @@
       "license": "MIT"
     },
     "node_modules/js-yaml": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.1.tgz",
-      "integrity": "sha512-qQKT4zQxXl8lLwBtHMWwaTcGfFOZviOJet3Oy/xmGk2gZH677CJM9EvtfdSkgWcATZhj/55JZ0rmy3myCT5lsA==",
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.2.0.tgz",
+      "integrity": "sha512-ePWsvanv0DWuDRsW8dnt+R4jQ31SCRCQ7hhNcPXZPsoBZiemuZNYGf7adZdqX2D86j6rvKp3RpCxVTSb8WQlOw==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/puzrin"
+        },
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/nodeca"
+        }
+      ],
       "dependencies": {
         "argparse": "^2.0.1"
       },
@@ -20109,7 +20119,7 @@
         "style-loader": "^3.3.1",
         "webpack": "^5.94.0",
         "webpack-cli": "^5.0.1",
-        "webpack-dev-server": "5.2.5",
+        "webpack-dev-server": "^5.2.5",
         "webpack-merge": "^5.8.0"
       },
       "dependencies": {
@@ -21940,9 +21950,9 @@
       "version": "4.0.0"
     },
     "js-yaml": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.1.tgz",
-      "integrity": "sha512-qQKT4zQxXl8lLwBtHMWwaTcGfFOZviOJet3Oy/xmGk2gZH677CJM9EvtfdSkgWcATZhj/55JZ0rmy3myCT5lsA==",
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.2.0.tgz",
+      "integrity": "sha512-ePWsvanv0DWuDRsW8dnt+R4jQ31SCRCQ7hhNcPXZPsoBZiemuZNYGf7adZdqX2D86j6rvKp3RpCxVTSb8WQlOw==",
       "requires": {
         "argparse": "^2.0.1"
       }
diff --git a/sites/upsun/package.json b/sites/upsun/package.json
index 7cd7f84845..e7212458d2 100644
--- a/sites/upsun/package.json
+++ b/sites/upsun/package.json
@@ -43,7 +43,7 @@
     "axios": "^1.15.0",
     "express": "^4.22.1",
     "fs-extra": "^11.1.1",
-    "js-yaml": "^4.1.1",
+    "js-yaml": "^4.2.0",
     "mermaid": "^11.10.0",
     "octokit": "^3.1.2",
     "platformsh-config": "^2.4.1",