diff --git a/PHP Monitor.xcodeproj/project.pbxproj b/PHP Monitor.xcodeproj/project.pbxproj
index 73bacb1..23f61a3 100644
--- a/PHP Monitor.xcodeproj/project.pbxproj	
+++ b/PHP Monitor.xcodeproj/project.pbxproj	
@@ -589,7 +589,7 @@
 					"$(inherited)",
 					"@executable_path/../Frameworks",
 				);
-				MARKETING_VERSION = 3.3;
+				MARKETING_VERSION = "3.3-prerelease";
 				PRODUCT_BUNDLE_IDENTIFIER = com.nicoverbruggen.phpmon;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
@@ -613,7 +613,7 @@
 					"$(inherited)",
 					"@executable_path/../Frameworks",
 				);
-				MARKETING_VERSION = 3.3;
+				MARKETING_VERSION = "3.3-prerelease";
 				PRODUCT_BUNDLE_IDENTIFIER = com.nicoverbruggen.phpmon;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";