diff --git a/CHANGELOG.md b/CHANGELOG.md
index ca47aebcf..0bf3a8bc8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Change Log
 
+4.8.6 (unreleased)
+--------------------------
+
+
+
 4.8.5 (653)
 --------------------------
 
diff --git a/CotEditor.xcodeproj/project.pbxproj b/CotEditor.xcodeproj/project.pbxproj
index b7e2c3204..b0490f999 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 = 653;
+				CURRENT_PROJECT_VERSION = 654;
 				ENABLE_HARDENED_RUNTIME = YES;
 				ENABLE_USER_SCRIPT_SANDBOXING = NO;
 				INFOPLIST_FILE = CotEditor/Info.plist;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.productivity";
-				MARKETING_VERSION = 4.8.5;
+				MARKETING_VERSION = "4.8.6-alpha";
 				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 = 653;
+				CURRENT_PROJECT_VERSION = 654;
 				ENABLE_HARDENED_RUNTIME = YES;
 				ENABLE_USER_SCRIPT_SANDBOXING = NO;
 				INFOPLIST_FILE = CotEditor/Info.plist;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.productivity";
-				MARKETING_VERSION = 4.8.5;
+				MARKETING_VERSION = "4.8.6-alpha";
 				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 = 653;
+				CURRENT_PROJECT_VERSION = 654;
 				ENABLE_HARDENED_RUNTIME = YES;
 				ENABLE_USER_SCRIPT_SANDBOXING = NO;
 				INFOPLIST_FILE = CotEditor/Info.plist;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.productivity";
-				MARKETING_VERSION = 4.8.5;
+				MARKETING_VERSION = "4.8.6-alpha";
 				PRODUCT_BUNDLE_IDENTIFIER = com.coteditor.CotEditor;
 				PRODUCT_NAME = CotEditor;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = "$(inherited) SPARKLE";
@@ -3812,12 +3812,12 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = "Accent Color";
-				CURRENT_PROJECT_VERSION = 653;
+				CURRENT_PROJECT_VERSION = 654;
 				ENABLE_HARDENED_RUNTIME = YES;
 				ENABLE_USER_SCRIPT_SANDBOXING = NO;
 				INFOPLIST_FILE = CotEditor/Info.plist;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.productivity";
-				MARKETING_VERSION = 4.8.5;
+				MARKETING_VERSION = "4.8.6-alpha";
 				PRODUCT_BUNDLE_IDENTIFIER = com.coteditor.CotEditor;
 				PRODUCT_NAME = CotEditor;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = "$(inherited) SPARKLE";