diff --git a/packages/astro/src/dev/index.ts b/packages/astro/src/dev/index.ts
index 257a5dad73..340209d7f8 100644
--- a/packages/astro/src/dev/index.ts
+++ b/packages/astro/src/dev/index.ts
@@ -69,7 +69,7 @@ export class AstroDevServer {
     this.hostname = config.devOptions.hostname || 'localhost';
     this.logging = options.logging;
     this.port = config.devOptions.port;
-    this.origin = config.buildOptions.site ? new URL(config.buildOptions.site).origin : `http://localhost:${this.port}`;
+    this.origin = `http://localhost:${this.port}`;
     this.manifest = createRouteManifest({ config });
   }
 
diff --git a/yarn.lock b/yarn.lock
index 2c1517fd19..39516d283f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1440,9 +1440,9 @@
     resolve "^1.10.1"
 
 "@lit/reactive-element@^1.0.0":
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/@lit/reactive-element/-/reactive-element-1.0.1.tgz#853cacd4d78d79059f33f66f8e7b0e5c34bee294"
-  integrity sha512-nSD5AA2AZkKuXuvGs8IK7K5ZczLAogfDd26zT9l6S7WzvqALdVWcW5vMUiTnZyj5SPcNwNNANj0koeV1ieqTFQ==
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/@lit/reactive-element/-/reactive-element-1.0.0.tgz#7b6e6a85709cda0370c47e425ac2f3b553696a4b"
+  integrity sha512-Kpgenb8UNFsKCsFhggiVvUkCbcFQSd6N8hffYEEGjz27/4rw3cTSsmP9t3q1EHOAsdum60Wo64HvuZDFpEwexA==
 
 "@ljharb/has-package-exports-patterns@0.0.1":
   version "0.0.1"
@@ -6243,24 +6243,24 @@ link-types@^1.1.0:
   integrity sha1-r2XlnbUucMH/sYrEw8sFa/55aDA=
 
 lit-element@^3.0.0:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/lit-element/-/lit-element-3.0.1.tgz#3c545af17d8a46268bc1dd5623a47486e6ff76f4"
-  integrity sha512-vs9uybH9ORyK49CFjoNGN85HM9h5bmisU4TQ63phe/+GYlwvY/3SIFYKdjV6xNvzz8v2MnVC+9+QOkPqh+Q3Ew==
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/lit-element/-/lit-element-3.0.0.tgz#0e9e64ddbc3dd6a8da4d6fbfadbc070a54cf0597"
+  integrity sha512-oPqRhhBBhs+AlI62QLwtWQNU/bNK/h2L1jI3IDroqZubo6XVAkyNy2dW3CRfjij8mrNlY7wULOfyyKKOnfEePA==
   dependencies:
     "@lit/reactive-element" "^1.0.0"
     lit-html "^2.0.0"
 
 lit-html@^2.0.0:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/lit-html/-/lit-html-2.0.1.tgz#63241015efa07bc9259b6f96f04abd052d2a1f95"
-  integrity sha512-KF5znvFdXbxTYM/GjpdOOnMsjgRcFGusTnB54ixnCTya5zUR0XqrDRj29ybuLS+jLXv1jji6Y8+g4W7WP8uL4w==
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/lit-html/-/lit-html-2.0.0.tgz#ba6779269c382e66d7403a96ed99516ccc3d658b"
+  integrity sha512-tJsCapCmc0vtLj6harqd6HfCxnlt/RSkgowtz4SC9dFE3nSL38Tb33I5HMDiyJsRjQZRTgpVsahrnDrR9wg27w==
   dependencies:
     "@types/trusted-types" "^2.0.2"
 
 lit@^2.0.0:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/lit/-/lit-2.0.2.tgz#5e6f422924e0732258629fb379556b6d23f7179c"
-  integrity sha512-hKA/1YaSB+P+DvKWuR2q1Xzy/iayhNrJ3aveD0OQ9CKn6wUjsdnF/7LavDOJsKP/K5jzW/kXsuduPgRvTFrFJw==
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/lit/-/lit-2.0.0.tgz#7710095dc518d9858dde579e9c76b9eed71e98ba"
+  integrity sha512-pqi5O/wVzQ9Bn4ERRoYQlt1EAUWyY5Wv888vzpoArbtChc+zfUv1XohRqSdtQZYCogl0eHKd+MQwymg2XJfECg==
   dependencies:
     "@lit/reactive-element" "^1.0.0"
     lit-element "^3.0.0"