diff --git a/package.json b/package.json
index 341b543..a1d5ce5 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "purgecss-from-svelte": "^2.0.2",
     "rollup-plugin-postcss": "^2.3.0",
     "sirv": "^0.4.2",
-    "svelte-preprocess": "^3.4.0",
+    "svelte-preprocess": "^4.5.2",
     "tailwindcss": "^1.2.0"
   },
   "devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index 29751fd..2438aea 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3317,10 +3317,10 @@ supports-color@^7.1.0:
   dependencies:
     has-flag "^4.0.0"
 
-svelte-preprocess@^3.4.0:
-  version "3.4.0"
-  resolved "https://registry.yarnpkg.com/svelte-preprocess/-/svelte-preprocess-3.4.0.tgz#bd21f2a26113b53a7d1ef5f1939a2d5b2e74a4af"
-  integrity sha512-XujaaZP777ivvlE+Oy8CnDySJRSWtWO2Okqa+gt93Xq92SLR0KwE9hLDPe0UzTwWEuMfIUi7xqAj9hAoub01tQ==
+svelte-preprocess@^4.5.2:
+  version "4.5.2"
+  resolved "https://registry.yarnpkg.com/svelte-preprocess/-/svelte-preprocess-4.5.2.tgz#37976d1e0d866eb382411d486f7468d2275087e9"
+  integrity sha512-ClUX5NecnGBwI+nJnnBvKKy0XutCq5uHTIKe6cPhpvuOj9AAnyvef9wOZAE93yr85OKPutGCNIJa/X1TrJ7O0Q==
   dependencies:
     "@types/pug" "^2.0.4"
     "@types/sass" "^1.16.0"