diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5c993a1f01..002a0fcf3c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Change Log
 
-4.8.4 (unreleased)
+4.8.4 (651)
 --------------------------
 
 ### Improvements
diff --git a/CotEditor.xcodeproj/project.pbxproj b/CotEditor.xcodeproj/project.pbxproj
index 09dc188c58..cfdd39dffa 100644
--- a/CotEditor.xcodeproj/project.pbxproj
+++ b/CotEditor.xcodeproj/project.pbxproj
@@ -3734,12 +3734,12 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = "Accent Color";
-				CURRENT_PROJECT_VERSION = 650;
+				CURRENT_PROJECT_VERSION = 651;
 				ENABLE_HARDENED_RUNTIME = YES;
 				ENABLE_USER_SCRIPT_SANDBOXING = NO;
 				INFOPLIST_FILE = CotEditor/Info.plist;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.productivity";
-				MARKETING_VERSION = "4.8.4-alpha";
+				MARKETING_VERSION = 4.8.4;
 				PRODUCT_BUNDLE_IDENTIFIER = com.coteditor.CotEditor;
 				PRODUCT_NAME = CotEditor;
 			};
@@ -3751,12 +3751,12 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = "Accent Color";
-				CURRENT_PROJECT_VERSION = 650;
+				CURRENT_PROJECT_VERSION = 651;
 				ENABLE_HARDENED_RUNTIME = YES;
 				ENABLE_USER_SCRIPT_SANDBOXING = NO;
 				INFOPLIST_FILE = CotEditor/Info.plist;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.productivity";
-				MARKETING_VERSION = "4.8.4-alpha";
+				MARKETING_VERSION = 4.8.4;
 				PRODUCT_BUNDLE_IDENTIFIER = com.coteditor.CotEditor;
 				PRODUCT_NAME = CotEditor;
 			};
@@ -3794,12 +3794,12 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = "Accent Color";
-				CURRENT_PROJECT_VERSION = 650;
+				CURRENT_PROJECT_VERSION = 651;
 				ENABLE_HARDENED_RUNTIME = YES;
 				ENABLE_USER_SCRIPT_SANDBOXING = NO;
 				INFOPLIST_FILE = CotEditor/Info.plist;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.productivity";
-				MARKETING_VERSION = "4.8.4-alpha";
+				MARKETING_VERSION = 4.8.4;
 				PRODUCT_BUNDLE_IDENTIFIER = com.coteditor.CotEditor;
 				PRODUCT_NAME = CotEditor;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = "$(inherited) SPARKLE";
@@ -3812,12 +3812,12 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = "Accent Color";
-				CURRENT_PROJECT_VERSION = 650;
+				CURRENT_PROJECT_VERSION = 651;
 				ENABLE_HARDENED_RUNTIME = YES;
 				ENABLE_USER_SCRIPT_SANDBOXING = NO;
 				INFOPLIST_FILE = CotEditor/Info.plist;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.productivity";
-				MARKETING_VERSION = "4.8.4-alpha";
+				MARKETING_VERSION = 4.8.4;
 				PRODUCT_BUNDLE_IDENTIFIER = com.coteditor.CotEditor;
 				PRODUCT_NAME = CotEditor;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = "$(inherited) SPARKLE";