diff --git a/src/generators/app-lit-element-ts/templates/package.json b/src/generators/app-lit-element-ts/templates/package.json
index a83e563..1b73765 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": "^2.4.0"
   },
   "devDependencies": {
-    "@web/dev-server": "^0.1.8",
+    "@web/dev-server": "^0.1.9",
     "concurrently": "^5.3.0",
     "typescript": "^4.2.3",
     "tslib": "^2.1.0"
diff --git a/src/generators/app-lit-element/templates/package.json b/src/generators/app-lit-element/templates/package.json
index d8289f9..4ed6ef0 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": "^2.4.0"
   },
   "devDependencies": {
-    "@web/dev-server": "^0.1.8"
+    "@web/dev-server": "^0.1.9"
   }
 }
\ 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 7f10673..36fc750 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": "^2.4.0"
   },
   "devDependencies": {
-    "@web/dev-server": "^0.1.8",
+    "@web/dev-server": "^0.1.9",
     "concurrently": "^5.3.0",
     "typescript": "^4.2.3",
     "tslib": "^2.1.0"
diff --git a/src/generators/wc-lit-element/templates/package.json b/src/generators/wc-lit-element/templates/package.json
index 9dfafe5..c2eaec7 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": "^2.4.0"
   },
   "devDependencies": {
-    "@web/dev-server": "^0.1.8"
+    "@web/dev-server": "^0.1.9"
   }
 }
\ No newline at end of file