diff --git a/docs/package-lock.json b/docs/package-lock.json
index 19f2516c..51a4b674 100644
--- a/docs/package-lock.json
+++ b/docs/package-lock.json
@@ -28,7 +28,7 @@
         "gatsby-plugin-react-svg": "^3.1.0",
         "gatsby-plugin-robots-txt": "^1.7.0",
         "gatsby-plugin-sharp": "^4.6.0",
-        "gatsby-plugin-sitemap": "^5.6.0",
+        "gatsby-plugin-sitemap": "^5.9.0",
         "gatsby-remark-autolink-headers": "^5.6.0",
         "gatsby-remark-copy-linked-files": "^5.6.0",
         "gatsby-remark-external-links": "^0.0.4",
@@ -11717,9 +11717,9 @@
       }
     },
     "node_modules/gatsby-plugin-sitemap": {
-      "version": "5.6.0",
-      "resolved": "https://registry.npmjs.org/gatsby-plugin-sitemap/-/gatsby-plugin-sitemap-5.6.0.tgz",
-      "integrity": "sha512-38JTiv1gZNN39vMMRev7IcM+Xo7Ewxiyw9j4mfYTOnw+Y3pVKqXvWVCMwMm5RBt1QL/vS4SEfMLvzVWH8/Osog==",
+      "version": "5.9.0",
+      "resolved": "https://registry.npmjs.org/gatsby-plugin-sitemap/-/gatsby-plugin-sitemap-5.9.0.tgz",
+      "integrity": "sha512-7ihuL0dy2ZenUcJvDcwyajAIf3roEwX/dyx43bOakxxo7tdcVWVuS3trQRQHfrDmLJ7i78hSYlXBLpxxZ4a+gg==",
       "dependencies": {
         "@babel/runtime": "^7.15.4",
         "common-tags": "^1.8.2",
@@ -33713,9 +33713,9 @@
       }
     },
     "gatsby-plugin-sitemap": {
-      "version": "5.6.0",
-      "resolved": "https://registry.npmjs.org/gatsby-plugin-sitemap/-/gatsby-plugin-sitemap-5.6.0.tgz",
-      "integrity": "sha512-38JTiv1gZNN39vMMRev7IcM+Xo7Ewxiyw9j4mfYTOnw+Y3pVKqXvWVCMwMm5RBt1QL/vS4SEfMLvzVWH8/Osog==",
+      "version": "5.9.0",
+      "resolved": "https://registry.npmjs.org/gatsby-plugin-sitemap/-/gatsby-plugin-sitemap-5.9.0.tgz",
+      "integrity": "sha512-7ihuL0dy2ZenUcJvDcwyajAIf3roEwX/dyx43bOakxxo7tdcVWVuS3trQRQHfrDmLJ7i78hSYlXBLpxxZ4a+gg==",
       "requires": {
         "@babel/runtime": "^7.15.4",
         "common-tags": "^1.8.2",
diff --git a/docs/package.json b/docs/package.json
index d28e4093..a2285959 100644
--- a/docs/package.json
+++ b/docs/package.json
@@ -25,7 +25,7 @@
     "gatsby-plugin-react-svg": "^3.1.0",
     "gatsby-plugin-robots-txt": "^1.7.0",
     "gatsby-plugin-sharp": "^4.6.0",
-    "gatsby-plugin-sitemap": "^5.6.0",
+    "gatsby-plugin-sitemap": "^5.9.0",
     "gatsby-remark-autolink-headers": "^5.6.0",
     "gatsby-remark-copy-linked-files": "^5.6.0",
     "gatsby-remark-external-links": "^0.0.4",