diff --git a/CHANGELOG.md b/CHANGELOG.md
index dec5b635a7..8ca98016d2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 Change Log
 ==========================
 
-4.5.0-beta.3 (unreleased)
+4.5.0-rc (557)
 --------------------------
 
 ### Improvements
diff --git a/CotEditor.xcodeproj/project.pbxproj b/CotEditor.xcodeproj/project.pbxproj
index 1322249d55..37655062fc 100644
--- a/CotEditor.xcodeproj/project.pbxproj
+++ b/CotEditor.xcodeproj/project.pbxproj
@@ -4300,11 +4300,11 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = "Accent Color";
-				CURRENT_PROJECT_VERSION = 556;
+				CURRENT_PROJECT_VERSION = 557;
 				ENABLE_HARDENED_RUNTIME = YES;
 				INFOPLIST_FILE = CotEditor/Info.plist;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.productivity";
-				MARKETING_VERSION = "4.5.0-beta.3";
+				MARKETING_VERSION = "4.5.0-rc";
 				PRODUCT_BUNDLE_IDENTIFIER = com.coteditor.CotEditor;
 				PRODUCT_NAME = CotEditor;
 			};
@@ -4316,11 +4316,11 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = "Accent Color";
-				CURRENT_PROJECT_VERSION = 556;
+				CURRENT_PROJECT_VERSION = 557;
 				ENABLE_HARDENED_RUNTIME = YES;
 				INFOPLIST_FILE = CotEditor/Info.plist;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.productivity";
-				MARKETING_VERSION = "4.5.0-beta.3";
+				MARKETING_VERSION = "4.5.0-rc";
 				PRODUCT_BUNDLE_IDENTIFIER = com.coteditor.CotEditor;
 				PRODUCT_NAME = CotEditor;
 			};
@@ -4356,11 +4356,11 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = "Accent Color";
-				CURRENT_PROJECT_VERSION = 556;
+				CURRENT_PROJECT_VERSION = 557;
 				ENABLE_HARDENED_RUNTIME = YES;
 				INFOPLIST_FILE = CotEditor/Info.plist;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.productivity";
-				MARKETING_VERSION = "4.5.0-beta.3";
+				MARKETING_VERSION = "4.5.0-rc";
 				OTHER_SWIFT_FLAGS = "$(inherited) -D SPARKLE";
 				PRODUCT_BUNDLE_IDENTIFIER = com.coteditor.CotEditor;
 				PRODUCT_NAME = CotEditor;
@@ -4373,11 +4373,11 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = "Accent Color";
-				CURRENT_PROJECT_VERSION = 556;
+				CURRENT_PROJECT_VERSION = 557;
 				ENABLE_HARDENED_RUNTIME = YES;
 				INFOPLIST_FILE = CotEditor/Info.plist;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.productivity";
-				MARKETING_VERSION = "4.5.0-beta.3";
+				MARKETING_VERSION = "4.5.0-rc";
 				OTHER_SWIFT_FLAGS = "$(inherited) -D SPARKLE";
 				PRODUCT_BUNDLE_IDENTIFIER = com.coteditor.CotEditor;
 				PRODUCT_NAME = CotEditor;