diff --git a/programming/library/libdispatch/pspec.xml b/programming/library/libdispatch/pspec.xml
index 4d03fc91fa..7f02d37764 100644
--- a/programming/library/libdispatch/pspec.xml
+++ b/programming/library/libdispatch/pspec.xml
@@ -12,7 +12,7 @@
         <IsA>library</IsA>
         <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
+        <Archive sha1sum="33dc247d09fcf0685d0bb16de1663c379ccc188f" type="targz">https://github.com/apple/swift-corelibs-libdispatch/archive/swift-5.4.2-RELEASE.tar.gz
         </Archive>
         <BuildDependencies>
             <Dependency>cmake</Dependency>
@@ -48,6 +48,13 @@
     </Package>
 
     <History>
+        <Update release="3">
+            <Date>2021-09-12</Date>
+            <Version>5.4.2</Version>
+            <Comment>Version bump.</Comment>
+            <Name>fury</Name>
+            <Email>uglyside@yandex.ru</Email>
+        </Update>
         <Update release="2">
             <Date>2021-02-24</Date>
             <Version>5.3</Version>