diff --git a/programming/library/libdispatch/actions.py b/programming/library/libdispatch/actions.py
index 97ea26e512..beec91eeb3 100644
--- a/programming/library/libdispatch/actions.py
+++ b/programming/library/libdispatch/actions.py
@@ -10,26 +10,25 @@ from pisi.actionsapi import pisitools
 from pisi.actionsapi import get
 
 j = "-DCMAKE_INSTALL_PREFIX=/usr \
-     -DCMAKE_BUILD_TYPE=Release \
+     -DCMAKE_BUILD_TYPE=RELEASE \
      -DCMAKE_THREAD_LIBS_INIT='-lpthread' \
      -DCMAKE_HAVE_THREADS_LIBRARY=ON \
      -DCMAKE_USE_PTHREADS_INIT=ON \
-     -DBUILD_TESTING=OFF -LA \
+     -DBUILD_TESTING=OFF \
+     -B_build -LA \
     "
 
 def setup():
 	shelltools.export("CC", "clang")
 	shelltools.export("CXX", "clang++")
-	shelltools.makedirs("build")
-	shelltools.cd("build")
-	cmaketools.configure(j, sourceDir = '..')
+	cmaketools.configure(j)
 
 def build():
-	shelltools.cd("build")
+	shelltools.cd("_build")
 	cmaketools.make()
 
 def install():
-	shelltools.cd("build")
+	shelltools.cd("_build")
 	cmaketools.rawInstall("DESTDIR=%s" % get.installDIR())
 
 	pisitools.dodoc("../CONTRIBUTING.md", "../INSTALL.md", "../README.md", "../TESTING.md")
diff --git a/programming/library/libdispatch/pspec.xml b/programming/library/libdispatch/pspec.xml
index 81321b34e5..c942289cbe 100644
--- a/programming/library/libdispatch/pspec.xml
+++ b/programming/library/libdispatch/pspec.xml
@@ -12,7 +12,8 @@
         <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="33dc247d09fcf0685d0bb16de1663c379ccc188f" type="targz">https://github.com/apple/swift-corelibs-libdispatch/archive/swift-5.4.2-RELEASE.tar.gz
+        <Archive sha1sum="d4be580d2aa6f7d2d066216a41035c853f73dd2b" type="targz">
+            https://github.com/apple/swift-corelibs-libdispatch/archive/refs/tags/swift-5.5-RELEASE.tar.gz
         </Archive>
         <BuildDependencies>
             <Dependency>cmake</Dependency>
@@ -48,6 +49,13 @@
     </Package>
 
     <History>
+        <Update release="4">
+            <Date>2022-11-15</Date>
+            <Version>5.5.0</Version>
+            <Comment>Version bump.</Comment>
+            <Name>fury</Name>
+            <Email>uglyside@yandex.ru</Email>
+        </Update>
         <Update release="3">
             <Date>2021-09-12</Date>
             <Version>5.4.2</Version>