diff --git a/package-lock.json b/package-lock.json
index c804407..eef8db8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -25,7 +25,7 @@
         "postcss": "^8.4.22",
         "sass": "^1.61.0",
         "svelte": "^3.58.0",
-        "svelte-check": "^3.2.0",
+        "svelte-check": "^3.4.3",
         "svelte-highlight": "^7.2.1",
         "svelte-local-storage-store": "^0.4.0",
         "svelte-markdown": "^0.2.3",
@@ -4018,9 +4018,9 @@
       }
     },
     "node_modules/svelte-check": {
-      "version": "3.3.2",
-      "resolved": "https://registry.npmjs.org/svelte-check/-/svelte-check-3.3.2.tgz",
-      "integrity": "sha512-67j3rI0LDc2DvL0ON/2pvCasVVD3nHDrTkZNr4eITNfo2oFXdw7SIyMOiFj4swu+pjmFQAigytBK1IWyik8dBw==",
+      "version": "3.4.3",
+      "resolved": "https://registry.npmjs.org/svelte-check/-/svelte-check-3.4.3.tgz",
+      "integrity": "sha512-O07soQFY3X0VDt+bcGc6D5naz0cLtjwnmNP9JsEBPVyMemFEqUhL2OdLqvkl5H/u8Jwm50EiAU4BPRn5iin/kg==",
       "dev": true,
       "dependencies": {
         "@jridgewell/trace-mapping": "^0.3.17",
@@ -4036,7 +4036,7 @@
         "svelte-check": "bin/svelte-check"
       },
       "peerDependencies": {
-        "svelte": "^3.55.0"
+        "svelte": "^3.55.0 || ^4.0.0-next.0 || ^4.0.0"
       }
     },
     "node_modules/svelte-highlight": {
diff --git a/package.json b/package.json
index 3bf51aa..759ea04 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "postcss": "^8.4.22",
     "sass": "^1.61.0",
     "svelte": "^3.58.0",
-    "svelte-check": "^3.2.0",
+    "svelte-check": "^3.4.3",
     "svelte-highlight": "^7.2.1",
     "svelte-local-storage-store": "^0.4.0",
     "svelte-markdown": "^0.2.3",