diff --git a/package.json b/package.json
index b38ba09..cd6552b 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "rollup-plugin-terser": "^6.1.0",
     "svelte": "^3.24.0",
     "svelte-jester": "^1.0.6",
-    "svelte-preprocess": "4.0.8",
+    "svelte-preprocess": "4.6.6",
     "tailwindcss": "^1.6.0"
   },
   "browserslist": [
diff --git a/yarn.lock b/yarn.lock
index cae1a3c..69813a5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5278,10 +5278,10 @@ svelte-jester@^1.0.6:
   dependencies:
     cosmiconfig "^6.0.0"
 
-svelte-preprocess@4.0.8:
-  version "4.0.8"
-  resolved "https://registry.yarnpkg.com/svelte-preprocess/-/svelte-preprocess-4.0.8.tgz#d283218cd078b91419d7e11371d5f79060d07196"
-  integrity sha512-RNSwuk8chC9g1MZAkHPM+/LRc2jndBPph26GN3eWNkAVkGwwt6HNskcRkUn30ZW71my1vlhMhk2D5ajVcz8RmA==
+svelte-preprocess@4.6.6:
+  version "4.6.6"
+  resolved "https://registry.yarnpkg.com/svelte-preprocess/-/svelte-preprocess-4.6.6.tgz#ded7661ae62dd90f9525419f7d2c50d3f79aba23"
+  integrity sha512-qVlGwpHwsAApV/RBunO6YuI1Tbho7fIamIULOmNQ6+l21ZRjcirMtqgYtYdvj1XEngDae/pjIHA8R/7f2l+vBg==
   dependencies:
     "@types/pug" "^2.0.4"
     "@types/sass" "^1.16.0"