diff --git a/package.json b/package.json
index c4185b7..d4c6466 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
 		"@vercel/ncc": "0.38.3",
 		"@vitest/coverage-v8": "3.2.4",
 		"rrule": "2.8.1",
-		"typescript": "5.8.3",
+		"typescript": "5.9.2",
 		"vitest": "3.2.4"
 	},
 	"author": "bmuenzenmeyer",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index d479de7..875d7ad 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -46,8 +46,8 @@ importers:
         specifier: 2.8.1
         version: 2.8.1
       typescript:
-        specifier: 5.8.3
-        version: 5.8.3
+        specifier: 5.9.2
+        version: 5.9.2
       vitest:
         specifier: 3.2.4
         version: 3.2.4(@types/node@22.15.33)(jsdom@26.1.0)
@@ -1022,8 +1022,8 @@ packages:
     resolution: {integrity: sha512-1h/Lnq9yajKY2PEbBadPXj3VxsDDu844OnaAo52UVmIzIvwwtBPIuNvkjuzBlTWpfJyUbG3ez0KSBibQkj4ojg==}
     engines: {node: '>=0.6.11 <=0.7.0 || >=0.7.3'}
 
-  typescript@5.8.3:
-    resolution: {integrity: sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==}
+  typescript@5.9.2:
+    resolution: {integrity: sha512-CWBzXQrc/qOkhidw1OzBTQuYRbfyxDXJMVJ1XNwUHGROVmuaeiEm3OslpZ1RV96d7SKKjZKrSJu3+t/xlw3R9A==}
     engines: {node: '>=14.17'}
     hasBin: true
 
@@ -2058,7 +2058,7 @@ snapshots:
 
   tunnel@0.0.6: {}
 
-  typescript@5.8.3: {}
+  typescript@5.9.2: {}
 
   undici-types@6.21.0: {}