diff --git a/package-lock.json b/package-lock.json
index c7470ad..03ca0aa 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,7 @@
         "@slack/web-api": "^7.11.0"
       },
       "devDependencies": {
-        "@types/node": "^24.0.0",
+        "@types/node": "^26.6.4",
         "electron": "43.7.7",
         "electron-builder": "26.15.3",
         "electron-vite": "5.0.0",
@@ -1987,12 +1987,12 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "24.13.3",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-24.13.3.tgz",
-      "integrity": "sha512-Dh8vAsV36ig5wa9OX4pXvMc9D3Veibfw2wix0CUwYODLD8nkj9UsLjASr49nPg+2eKzxhBV+v7L8pXvT4e639Q==",
+      "version": "26.6.4",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.6.4.tgz",
+      "integrity": "sha512-ldVPDCzj7fsaGZrLB0NuHuTvJcsNasysBAqMolr/cgxrLd1xbqxIr3XJiPnHHJUCxj5sNF1vnRj9aWnrVh5Jcg==",
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~7.18.0"
+        "undici-types": "~8.9.0"
       }
     },
     "node_modules/@types/responselike": {
@@ -3390,6 +3390,23 @@
         "node": ">= 4.0.0"
       }
     },
+    "node_modules/electron/node_modules/@types/node": {
+      "version": "24.19.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-24.19.1.tgz",
+      "integrity": "sha512-aS3/DG0oM05K0RIXXP+hKjinGG5IgSSVGzswZxW3O0sS3pH4/fycXundUC9XsszgKCk4gHXylTEK6hyFxVxnoQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "undici-types": ">=7.24.0 <7.24.7"
+      }
+    },
+    "node_modules/electron/node_modules/undici-types": {
+      "version": "7.24.6",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.24.6.tgz",
+      "integrity": "sha512-WRNW+sJgj5OBN4/0JpHFqtqzhpbnV0GuB+OozA9gCL7a993SmU+1JBZCzLNxYsbMfIeDL+lTsphD5jN5N+n0zg==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/emoji-regex": {
       "version": "8.0.0",
       "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz",
@@ -6260,9 +6277,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "7.18.2",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.18.2.tgz",
-      "integrity": "sha512-AsuCzffGHJybSaRrmr5eHr81mwJU3kjw6M+uprWvCXiNeN9SOGwQ3Jn8jb8m3Z6izVgknn1R0FTCEAP2QrLY/w==",
+      "version": "8.9.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.9.0.tgz",
+      "integrity": "sha512-KTDyRTYX8sWmKXAikPHHSyc63CRPETMctyjKFupcC6OBLXT3xsN0e9aF7m+mIXutFWpUXuedtowG7iLOzp0kQg==",
       "license": "MIT"
     },
     "node_modules/universalify": {
diff --git a/package.json b/package.json
index b548326..6fa9ca9 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
     "@slack/web-api": "^7.11.0"
   },
   "devDependencies": {
-    "@types/node": "^24.0.0",
+    "@types/node": "^26.6.4",
     "electron": "43.7.7",
     "electron-builder": "26.15.3",
     "electron-vite": "5.0.0",