diff --git a/src/generators/app-lit-element-ts/templates/package.json b/src/generators/app-lit-element-ts/templates/package.json
index a869661..9732985 100644
--- a/src/generators/app-lit-element-ts/templates/package.json
+++ b/src/generators/app-lit-element-ts/templates/package.json
@@ -9,7 +9,7 @@
     "lit-element": "^2.5.1"
   },
   "devDependencies": {
-    "@web/dev-server": "^0.1.17",
+    "@web/dev-server": "^0.1.18",
     "concurrently": "^5.3.0",
     "typescript": "^4.3.5",
     "tslib": "^2.3.0"
diff --git a/src/generators/app-lit-element/templates/package.json b/src/generators/app-lit-element/templates/package.json
index 332a769..f210e9a 100644
--- a/src/generators/app-lit-element/templates/package.json
+++ b/src/generators/app-lit-element/templates/package.json
@@ -9,6 +9,6 @@
     "lit-element": "^2.5.1"
   },
   "devDependencies": {
-    "@web/dev-server": "^0.1.17"
+    "@web/dev-server": "^0.1.18"
   }
 }
\ No newline at end of file
diff --git a/src/generators/wc-lit-element-ts/templates/package.json b/src/generators/wc-lit-element-ts/templates/package.json
index 458600c..a7fea71 100644
--- a/src/generators/wc-lit-element-ts/templates/package.json
+++ b/src/generators/wc-lit-element-ts/templates/package.json
@@ -11,7 +11,7 @@
     "lit-element": "^2.5.1"
   },
   "devDependencies": {
-    "@web/dev-server": "^0.1.17",
+    "@web/dev-server": "^0.1.18",
     "concurrently": "^5.3.0",
     "typescript": "^4.3.5",
     "tslib": "^2.3.0"
diff --git a/src/generators/wc-lit-element/templates/package.json b/src/generators/wc-lit-element/templates/package.json
index 4a8fa62..f473f83 100644
--- a/src/generators/wc-lit-element/templates/package.json
+++ b/src/generators/wc-lit-element/templates/package.json
@@ -9,6 +9,6 @@
     "lit-element": "^2.5.1"
   },
   "devDependencies": {
-    "@web/dev-server": "^0.1.17"
+    "@web/dev-server": "^0.1.18"
   }
 }
\ No newline at end of file