diff --git a/package.json b/package.json
index e75077e..53be162 100644
--- a/package.json
+++ b/package.json
@@ -11,10 +11,10 @@
   "dependencies": {
     "gatsby": "^3.13.0",
     "gatsby-plugin-manifest": "^3.5.0",
-    "gatsby-plugin-react-helmet": "^4.5.0",
+    "gatsby-plugin-react-helmet": "^4.13.0",
     "gatsby-plugin-react-leaflet": "3.0.0",
     "gatsby-plugin-resolve-src": "^2.1.0",
-    "gatsby-plugin-sass": "^4.5.0",
+    "gatsby-plugin-sass": "^4.13.0",
     "gatsby-source-filesystem": "^3.5.0",
     "gatsby-source-graphql": "^3.5.0",
     "leaflet": "^1.7.1",
@@ -25,7 +25,7 @@
     "react-helmet": "^6.1.0",
     "react-icons": "^4.2.0",
     "react-leaflet": "^3.1.0",
-    "sass": "^1.32.13"
+    "sass": "^1.39.0"
   },
   "devDependencies": {
     "@babel/eslint-parser": "^7.15.4",
diff --git a/yarn.lock b/yarn.lock
index 7d73918..00075ec 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6491,12 +6491,12 @@ gatsby-plugin-page-creator@^3.13.0:
     globby "^11.0.4"
     lodash "^4.17.21"
 
-gatsby-plugin-react-helmet@^4.5.0:
-  version "4.5.0"
-  resolved "https://registry.yarnpkg.com/gatsby-plugin-react-helmet/-/gatsby-plugin-react-helmet-4.5.0.tgz#2e4630009aab5c13aff9f67a2e3dd80d0df03336"
-  integrity sha512-QDddKLz2aVDVIAttdQot4S/5H+KP6yUTkZySWyNsvClPovZ+XXgsrmav/Dt0w/6dAzIJA7RXqGvFwOJRHIKncQ==
+gatsby-plugin-react-helmet@^4.13.0:
+  version "4.13.0"
+  resolved "https://registry.yarnpkg.com/gatsby-plugin-react-helmet/-/gatsby-plugin-react-helmet-4.13.0.tgz#58f50bc9afb0f04a0726453c0827a59d7a159c7a"
+  integrity sha512-GwIqbhFtPDryftM6NEWdjgWNDpWhyifgshDxtIh8PMSEIs7VMg2tgLQf8W8EpSP7yXu3aKDm/pxFXRlPZPk9cA==
   dependencies:
-    "@babel/runtime" "^7.12.5"
+    "@babel/runtime" "^7.14.8"
 
 gatsby-plugin-react-leaflet@3.0.0:
   version "3.0.0"
@@ -6508,12 +6508,12 @@ gatsby-plugin-resolve-src@^2.1.0:
   resolved "https://registry.yarnpkg.com/gatsby-plugin-resolve-src/-/gatsby-plugin-resolve-src-2.1.0.tgz#290fec7dc7b55d05a41827b106aa04968b7549ba"
   integrity sha512-uffIv/7VD4HLvMlxl6J9zzK9Y5L2jhrU+uDXzpAKHp6kWH/zNjgbnuE1UD05Z/xo7o4ngDkk2+GWOmcbQQRIXw==
 
-gatsby-plugin-sass@^4.5.0:
-  version "4.5.0"
-  resolved "https://registry.yarnpkg.com/gatsby-plugin-sass/-/gatsby-plugin-sass-4.5.0.tgz#4e8a9a0c9a334cc3605183b742272868f54776e6"
-  integrity sha512-0FP4aDI/3ts83X+cA0IVGI+Wm0spOGT4AFIB0KhMlTdcMEgOq8nWmD//FHPMEBQ73sZiNF2fnfEFQAvYW1HTkg==
+gatsby-plugin-sass@^4.13.0:
+  version "4.13.0"
+  resolved "https://registry.yarnpkg.com/gatsby-plugin-sass/-/gatsby-plugin-sass-4.13.0.tgz#aa1dbac8e8faf26eb579f003180903cad11524cc"
+  integrity sha512-mt7t99XyjLbkWUxVmz62t5vTU868UoDRKb/W1n4wfFTq/uCeY0aOjCD/GMkAoZeQbSc1kjgol7hEBoUv6gEqww==
   dependencies:
-    "@babel/runtime" "^7.12.5"
+    "@babel/runtime" "^7.14.8"
     resolve-url-loader "^3.1.2"
     sass-loader "^10.1.1"
 
@@ -11898,10 +11898,10 @@ sass-loader@^10.1.1:
     schema-utils "^3.0.0"
     semver "^7.3.2"
 
-sass@^1.32.13:
-  version "1.32.13"
-  resolved "https://registry.yarnpkg.com/sass/-/sass-1.32.13.tgz#8d29c849e625a415bce71609c7cf95e15f74ed00"
-  integrity sha512-dEgI9nShraqP7cXQH+lEXVf73WOPCse0QlFzSD8k+1TcOxCMwVXfQlr0jtoluZysQOyJGnfr21dLvYKDJq8HkA==
+sass@^1.39.0:
+  version "1.39.0"
+  resolved "https://registry.yarnpkg.com/sass/-/sass-1.39.0.tgz#6c64695d1c437767c8f1a4e471288e831f81d035"
+  integrity sha512-F4o+RhJkNOIG0b6QudYU8c78ZADKZjKDk5cyrf8XTKWfrgbtyVVXImFstJrc+1pkQDCggyidIOytq6gS4gCCZg==
   dependencies:
     chokidar ">=3.0.0 <4.0.0"