diff --git a/programming/library/libdispatch/pspec.xml b/programming/library/libdispatch/pspec.xml
index 73885204f1..13c78cce7c 100644
--- a/programming/library/libdispatch/pspec.xml
+++ b/programming/library/libdispatch/pspec.xml
@@ -10,7 +10,6 @@
 		</Packager>
 		<License>Apache-2</License>
 		<IsA>library</IsA>
-		<PartOf>programming.library</PartOf>
 		<Summary>Grand Central Dispatch.</Summary>
 		<Description>Grand Central Dispatch (GCD or libdispatch) provides comprehensive support for concurrent code execution on multicore hardware.</Description>
 		<Archive sha1sum="f25bc698285cfa84bf24bd8bd5ef9103c4668e0a" type="targz">https://github.com/apple/swift-corelibs-libdispatch/archive/swift-5.3-RELEASE.tar.gz
@@ -50,7 +49,7 @@
 
 	<History>
 		<Update release="2">
-			<Date>2021-02-25</Date>
+			<Date>2021-02-24</Date>
 			<Version>5.3</Version>
 			<Comment>First build.</Comment>
 			<Name>fury</Name>