diff --git a/package.json b/package.json
index 118ae05..39bbef2 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "svelte": "3.55.1",
     "svelte-check": "2.10.3",
     "svelte-preprocess": "4.10.7",
-    "tslib": "2.4.1",
+    "tslib": "2.5.0",
     "typescript": "4.9.4",
     "vite": "3.2.5"
   }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 759a467..dd311f6 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -8,7 +8,7 @@ specifiers:
   svelte: 3.55.1
   svelte-check: 2.10.3
   svelte-preprocess: 4.10.7
-  tslib: 2.4.1
+  tslib: 2.5.0
   typescript: 4.9.4
   vite: 3.2.5
 
@@ -20,7 +20,7 @@ devDependencies:
   svelte: 3.55.1
   svelte-check: 2.10.3_svelte@3.55.1
   svelte-preprocess: 4.10.7_atrrhq7vg4ekua4nnyrpuardle
-  tslib: 2.4.1
+  tslib: 2.5.0
   typescript: 4.9.4
   vite: 3.2.5
 
@@ -859,8 +859,8 @@ packages:
       is-number: 7.0.0
     dev: true
 
-  /tslib/2.4.1:
-    resolution: {integrity: sha512-tGyy4dAjRIEwI7BzsB0lynWgOpfqjUdq91XXAlIWD2OwKBH7oCl/GZG/HT4BOHrTlPMOASlMQ7veyTqpmRcrNA==}
+  /tslib/2.5.0:
+    resolution: {integrity: sha512-336iVw3rtn2BUK7ORdIAHTyxHGRIHVReokCR3XjbckJMK7ms8FysBfhLR8IXnAgy7T0PTPNBWKiH514FOW/WSg==}
     dev: true
 
   /typescript/4.9.4: