diff --git a/apps/manifest.firefox.json b/apps/manifest.firefox.json
index 69e1e21e..e0f21802 100644
--- a/apps/manifest.firefox.json
+++ b/apps/manifest.firefox.json
@@ -1,8 +1,7 @@
 {
     "manifest_version": 2,
     "name": "__MSG_extensionName__",
-    "version": "1.14.0.3",
-    "version_name": "1.14.1(dev)",
+    "version": "1.15.0",
     "default_locale": "en",
     "description": "__MSG_extensionDescription__",
     "icons": {
diff --git a/apps/manifest.json b/apps/manifest.json
index e5c607c1..29b00f8b 100644
--- a/apps/manifest.json
+++ b/apps/manifest.json
@@ -1,8 +1,7 @@
 {
     "manifest_version": 3,
     "name": "__MSG_extensionName__",
-    "version": "1.14.0.3",
-    "version_name": "1.14.1(dev)",
+    "version": "1.15.0",
     "default_locale": "en",
     "description": "__MSG_extensionDescription__",
     "icons": {
diff --git a/package.json b/package.json
index 17cc6007..fe0994d3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "gossip-site-blocker",
-    "version": "1.14.0.3",
+    "version": "1.15.0",
     "author": "Hideki Ikemoto",
     "license": "MIT",
     "devDependencies": {