diff --git a/Maccy.xcodeproj/project.pbxproj b/Maccy.xcodeproj/project.pbxproj
index 0ca96639..0a18a2c2 100644
--- a/Maccy.xcodeproj/project.pbxproj
+++ b/Maccy.xcodeproj/project.pbxproj
@@ -1324,7 +1324,7 @@
 				"CODE_SIGN_IDENTITY[sdk=macosx*]" = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 18;
+				CURRENT_PROJECT_VERSION = 19;
 				DEAD_CODE_STRIPPING = YES;
 				DEVELOPMENT_TEAM = MN3X4648SC;
 				ENABLE_HARDENED_RUNTIME = YES;
@@ -1340,7 +1340,7 @@
 					"@executable_path/../Frameworks",
 				);
 				MACOSX_DEPLOYMENT_TARGET = "$(RECOMMENDED_MACOSX_DEPLOYMENT_TARGET)";
-				MARKETING_VERSION = 0.26.3;
+				MARKETING_VERSION = 0.26.4;
 				PRODUCT_BUNDLE_IDENTIFIER = org.p0deje.Maccy;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
@@ -1360,7 +1360,7 @@
 				"CODE_SIGN_IDENTITY[sdk=macosx*]" = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 18;
+				CURRENT_PROJECT_VERSION = 19;
 				DEAD_CODE_STRIPPING = YES;
 				DEVELOPMENT_TEAM = MN3X4648SC;
 				ENABLE_HARDENED_RUNTIME = YES;
@@ -1376,7 +1376,7 @@
 					"@executable_path/../Frameworks",
 				);
 				MACOSX_DEPLOYMENT_TARGET = "$(RECOMMENDED_MACOSX_DEPLOYMENT_TARGET)";
-				MARKETING_VERSION = 0.26.3;
+				MARKETING_VERSION = 0.26.4;
 				PRODUCT_BUNDLE_IDENTIFIER = org.p0deje.Maccy;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
diff --git a/appcast.xml b/appcast.xml
index 73f88620..06fb722e 100644
--- a/appcast.xml
+++ b/appcast.xml
@@ -6,23 +6,21 @@
     <description>Most recent changes with links to updates.</description>
     <language>en</language>
     <item>
-      <title>0.26.3</title>
+      <title>0.26.4</title>
       <description>
         <![CDATA[
           <ul>
-            <li>Added support for asking for an App Store review periodically.</li>
-            <li>Fixed a potential crash when selecting an existing item (#549).</li>
-            <li>Fixed memory leaks in previews (#549).</li>
+            <li>Fixed an issue when an App Store review was asked for a non-App Store version of Maccy (#553).</li>
           </ul>
         ]]>
       </description>
-      <pubDate>2023-06-03</pubDate>
-      <releaseNotesLink>https://github.com/p0deje/Maccy/releases/tag/0.26.3</releaseNotesLink>
+      <pubDate>2023-06-04</pubDate>
+      <releaseNotesLink>https://github.com/p0deje/Maccy/releases/tag/0.26.4</releaseNotesLink>
       <sparkle:minimumSystemVersion>10.14</sparkle:minimumSystemVersion>
       <enclosure
-        url="https://github.com/p0deje/Maccy/releases/download/0.26.3/Maccy.app.zip"
-        sparkle:version="18"
-        sparkle:shortVersionString="0.26.3"
+        url="https://github.com/p0deje/Maccy/releases/download/0.26.4/Maccy.app.zip"
+        sparkle:version="19"
+        sparkle:shortVersionString="0.26.4"
         length="0"
         type="application/octet-stream"
       />