diff --git a/Mac/Resources/NetNewsWire.entitlements b/Mac/Resources/NetNewsWire.entitlements
index 186dc9437..4e4af4cdb 100644
--- a/Mac/Resources/NetNewsWire.entitlements
+++ b/Mac/Resources/NetNewsWire.entitlements
@@ -12,8 +12,18 @@
 	<array>
 		<string>CloudKit</string>
 	</array>
+	<key>com.apple.security.app-sandbox</key>
+	<true/>
+	<key>com.apple.security.application-groups</key>
+	<array>
+		<string>group.$(ORGANIZATION_IDENTIFIER).NetNewsWire</string>
+	</array>
 	<key>com.apple.security.automation.apple-events</key>
 	<true/>
+	<key>com.apple.security.files.user-selected.read-write</key>
+	<true/>
+	<key>com.apple.security.network.client</key>
+	<true/>
 	<key>com.apple.security.temporary-exception.apple-events</key>
 	<array>
 		<string>com.red-sweater.marsedit4</string>