diff --git a/package.json b/package.json
index 0261174..017b058 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "gatsby-plugin-react-helmet": "^4.6.0",
     "gatsby-plugin-react-svg": "^3.0.1",
     "gatsby-plugin-sharp": "^3.0.0",
-    "gatsby-plugin-sitemap": "^3.0.0",
+    "gatsby-plugin-sitemap": "^4.6.0",
     "gatsby-remark-images": "^4.0.0",
     "gatsby-remark-prismjs": "^4.0.0",
     "gatsby-source-filesystem": "^3.0.0",
diff --git a/yarn.lock b/yarn.lock
index f4b1e7a..be06d0d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1123,10 +1123,10 @@
     core-js-pure "^3.0.0"
     regenerator-runtime "^0.13.4"
 
-"@babel/runtime@^7.10.0", "@babel/runtime@^7.10.2", "@babel/runtime@^7.11.2", "@babel/runtime@^7.12.5", "@babel/runtime@^7.7.2", "@babel/runtime@^7.8.4", "@babel/runtime@^7.9.2":
-  version "7.13.10"
-  resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.13.10.tgz#47d42a57b6095f4468da440388fdbad8bebf0d7d"
-  integrity sha512-4QPkjJq6Ns3V/RgpEahRk+AGfL0eO6RHHtTWoNNr5mO49G6B5+X6d6THgWEAvTrznU5xYpbAlVKRYcsCgh/Akw==
+"@babel/runtime@^7.10.0", "@babel/runtime@^7.10.2", "@babel/runtime@^7.11.2", "@babel/runtime@^7.12.5", "@babel/runtime@^7.14.6", "@babel/runtime@^7.7.2", "@babel/runtime@^7.8.4", "@babel/runtime@^7.9.2":
+  version "7.14.8"
+  resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.14.8.tgz#7119a56f421018852694290b9f9148097391b446"
+  integrity sha512-twj3L8Og5SaCRCErB4x4ajbvBIVV77CGeFglHpeg5WC5FF8TZzBWXtTJ4MqaD9QszLYTtr+IsaAL2rEUevb+eg==
   dependencies:
     regenerator-runtime "^0.13.4"
 
@@ -2454,6 +2454,11 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-14.14.35.tgz#42c953a4e2b18ab931f72477e7012172f4ffa313"
   integrity sha512-Lt+wj8NVPx0zUmUwumiVXapmaLUcAk3yPuHCFVXras9k5VT9TdhJqKqGVUQCD60OTMCl0qxJ57OiTL0Mic3Iag==
 
+"@types/node@^15.0.1":
+  version "15.14.5"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-15.14.5.tgz#7b5b3532053fd14c771ad6598a4ee2c7a85aceca"
+  integrity sha512-6ewfMNmkumZieB/EeJ4cdP1bbJyOlOt5MTwbKMr7WKxyCt2j09H8YWRK6zOd/Jh35Vu/gls39ZUmeu4vHu1WKQ==
+
 "@types/node@^8.5.7":
   version "8.10.66"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-8.10.66.tgz#dd035d409df322acc83dff62a602f12a5783bbb3"
@@ -2530,6 +2535,13 @@
     "@types/glob" "*"
     "@types/node" "*"
 
+"@types/sax@^1.2.1":
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/@types/sax/-/sax-1.2.3.tgz#b630ac1403ebd7812e0bf9a10de9bf5077afb348"
+  integrity sha512-+QSw6Tqvs/KQpZX8DvIl3hZSjNFLW/OqE5nlyHXtTwODaJvioN2rOWpBNEWZp2HZUFhOh+VohmJku/WxEXU2XA==
+  dependencies:
+    "@types/node" "*"
+
 "@types/scheduler@*":
   version "0.16.1"
   resolved "https://registry.yarnpkg.com/@types/scheduler/-/scheduler-0.16.1.tgz#18845205e86ff0038517aab7a18a62a6b9f71275"
@@ -3059,6 +3071,11 @@ arg@^4.1.0:
   resolved "https://registry.yarnpkg.com/arg/-/arg-4.1.3.tgz#269fc7ad5b8e42cb63c896d5666017261c144089"
   integrity sha512-58S9QDqG0Xx27YwPSt9fJxivjYl432YCwfDMfZ+71RAqUrZef7LrKQZ3LHLOwCS4FLNBplP533Zx895SeOCHvA==
 
+arg@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/arg/-/arg-5.0.0.tgz#a20e2bb5710e82950a516b3f933fee5ed478be90"
+  integrity sha512-4P8Zm2H+BRS+c/xX1LrHw0qKpEhdlZjLCgWy+d78T9vqa2Z2SiD2wMrYuWIAFy5IZUD7nnNXroRttz+0RzlrzQ==
+
 argparse@^1.0.7:
   version "1.0.10"
   resolved "https://registry.yarnpkg.com/argparse/-/argparse-1.0.10.tgz#bcd6791ea5ae09725e17e5ad988134cd40b3d911"
@@ -7164,16 +7181,15 @@ gatsby-plugin-sharp@^3.0.0:
     svgo "1.3.2"
     uuid "3.4.0"
 
-gatsby-plugin-sitemap@^3.0.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/gatsby-plugin-sitemap/-/gatsby-plugin-sitemap-3.1.0.tgz#490d126f6bd74a384b49469913a25a1ddf3c6239"
-  integrity sha512-dcwFZ1Icg/0gd5HCPyMoAbxu23PkLhmnRiS/YqYmYKd0z/QFf1PIIFInQAxI1QwPNlgabkRycGHjQzlM032zwQ==
+gatsby-plugin-sitemap@^4.6.0:
+  version "4.6.0"
+  resolved "https://registry.yarnpkg.com/gatsby-plugin-sitemap/-/gatsby-plugin-sitemap-4.6.0.tgz#2fd4bf8d71ea5790513335ad92fde51e9ff49559"
+  integrity sha512-DoBGmLR7fWmeB+NQTdDrELQU0zWJiGIF1Fy6k0Ujub7y7RwN5c67FjSDwWuOWJmMr5PC5oGJUWQANvgfAbGMgA==
   dependencies:
-    "@babel/runtime" "^7.12.5"
+    "@babel/runtime" "^7.14.6"
     common-tags "^1.8.0"
     minimatch "^3.0.4"
-    pify "^3.0.0"
-    sitemap "^1.13.0"
+    sitemap "^7.0.0"
 
 gatsby-plugin-typescript@^3.1.0:
   version "3.1.0"
@@ -13817,13 +13833,15 @@ sisteransi@^1.0.5:
   resolved "https://registry.yarnpkg.com/sisteransi/-/sisteransi-1.0.5.tgz#134d681297756437cc05ca01370d3a7a571075ed"
   integrity sha512-bLGGlR1QxBcynn2d5YmDX4MGjlZvy2MRBDRNHLJ8VI6l6+9FUiyTFNJ0IveOSP0bcXgVDPRcfGqA0pjaqUpfVg==
 
-sitemap@^1.13.0:
-  version "1.13.0"
-  resolved "https://registry.yarnpkg.com/sitemap/-/sitemap-1.13.0.tgz#569cbe2180202926a62a266cd3de09c9ceb43f83"
-  integrity sha1-Vpy+IYAgKSamKiZs094Jyc60P4M=
+sitemap@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/sitemap/-/sitemap-7.0.0.tgz#022bef4df8cba42e38e1fe77039f234cab0372b6"
+  integrity sha512-Ud0jrRQO2k7fEtPAM+cQkBKoMvxQyPKNXKDLn8tRVHxRCsdDQ2JZvw+aZ5IRYYQVAV9iGxEar6boTwZzev+x3g==
   dependencies:
-    underscore "^1.7.0"
-    url-join "^1.1.0"
+    "@types/node" "^15.0.1"
+    "@types/sax" "^1.2.1"
+    arg "^5.0.0"
+    sax "^1.2.4"
 
 slash@^3.0.0:
   version "3.0.0"
@@ -15102,11 +15120,6 @@ underscore.string@^3.3.5:
     sprintf-js "^1.0.3"
     util-deprecate "^1.0.2"
 
-underscore@^1.7.0:
-  version "1.12.1"
-  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.12.1.tgz#7bb8cc9b3d397e201cf8553336d262544ead829e"
-  integrity sha512-hEQt0+ZLDVUMhebKxL4x1BTtDY7bavVofhZ9KZ4aI26X9SRaE+Y3m83XUL1UP2jn8ynjndwCCpEHdUG+9pP1Tw==
-
 unherit@^1.0.4:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/unherit/-/unherit-1.1.3.tgz#6c9b503f2b41b262330c80e91c8614abdaa69c22"
@@ -15439,11 +15452,6 @@ urix@^0.1.0:
   resolved "https://registry.yarnpkg.com/urix/-/urix-0.1.0.tgz#da937f7a62e21fec1fd18d49b35c2935067a6c72"
   integrity sha1-2pN/emLiH+wf0Y1Js1wpNQZ6bHI=
 
-url-join@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/url-join/-/url-join-1.1.0.tgz#741c6c2f4596c4830d6718460920d0c92202dc78"
-  integrity sha1-dBxsL0WWxIMNZxhGCSDQySIC3Hg=
-
 url-loader@^4.1.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/url-loader/-/url-loader-4.1.1.tgz#28505e905cae158cf07c92ca622d7f237e70a4e2"