diff --git a/package-lock.json b/package-lock.json
index 836528d..1579c86 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -44,7 +44,7 @@
         "sirv-cli": "^2.0.2",
         "svelte": "^3.59.2",
         "svelte-check": "^3.6.2",
-        "svelte-preprocess": "^5.0.4",
+        "svelte-preprocess": "^5.1.1",
         "sveltestrap": "^5.11.2",
         "tslib": "^2.6.2",
         "typescript": "^5.2"
@@ -6604,9 +6604,9 @@
       }
     },
     "node_modules/svelte-preprocess": {
-      "version": "5.1.0",
-      "resolved": "https://registry.npmjs.org/svelte-preprocess/-/svelte-preprocess-5.1.0.tgz",
-      "integrity": "sha512-EkErPiDzHAc0k2MF5m6vBNmRUh338h2myhinUw/xaqsLs7/ZvsgREiLGj03VrSzbY/TB5ZXgBOsKraFee5yceA==",
+      "version": "5.1.1",
+      "resolved": "https://registry.npmjs.org/svelte-preprocess/-/svelte-preprocess-5.1.1.tgz",
+      "integrity": "sha512-p/Dp4hmrBW5mrCCq29lEMFpIJT2FZsRlouxEc5qpbOmXRbaFs7clLs8oKPwD3xCFyZfv1bIhvOzpQkhMEVQdMw==",
       "dev": true,
       "hasInstallScript": true,
       "dependencies": {
diff --git a/package.json b/package.json
index c042b8f..442a432 100644
--- a/package.json
+++ b/package.json
@@ -84,7 +84,7 @@
     "sirv-cli": "^2.0.2",
     "svelte": "^3.59.2",
     "svelte-check": "^3.6.2",
-    "svelte-preprocess": "^5.0.4",
+    "svelte-preprocess": "^5.1.1",
     "sveltestrap": "^5.11.2",
     "tslib": "^2.6.2",
     "typescript": "^5.2"