diff --git a/programming/library/msgpack-c/actions.py b/programming/library/msgpack-c/actions.py
index b4b244e61b..2e5f672064 100644
--- a/programming/library/msgpack-c/actions.py
+++ b/programming/library/msgpack-c/actions.py
@@ -4,20 +4,25 @@
 # Licensed under the GNU General Public License, version 3.
 # See the file https://www.gnu.org/licenses/gpl-3.0.txt
 
-from pisi.actionsapi import shelltools, cmaketools, pisitools, get
+from pisi.actionsapi import mesontools, cmaketools
 
 j = ''.join([
+    ' -DCMAKE_BUILD_TYPE=Release',
+    ' -DCMAKE_C_COMPILER=gcc',
+    ' -DCMAKE_CXX_COMPILER=g++',
     ' -DMSGPACK_BUILD_EXAMPLES=OFF',
-    ' -DMSGPACK_ENABLE_STATIC=OFF '
+    ' -DMSGPACK_ENABLE_STATIC=OFF',
+    ' -B_build -G Ninja -L '
     ])
 
 def setup():
-	cmaketools.configure("-B_build %s -L" % j)
+	cmaketools.configure(j)
 
 def build():
-	shelltools.cd("_build")
-	cmaketools.make()
+	mesontools.build("-C _build")
+
+def check():
+	mesontools.build("-C _build test")
 
 def install():
-	shelltools.cd("_build")
-	cmaketools.rawInstall("DESTDIR=%s" % get.installDIR())
+	mesontools.install("-C _build")
diff --git a/programming/library/msgpack-c/pspec.xml b/programming/library/msgpack-c/pspec.xml
index 75a633107e..f462e8439b 100644
--- a/programming/library/msgpack-c/pspec.xml
+++ b/programming/library/msgpack-c/pspec.xml
@@ -13,11 +13,13 @@
 		<PartOf>programming.library</PartOf>
 		<Summary>It's like JSON but smaller and faster.</Summary>
 		<Description>MessagePack is an efficient binary serialization format, which lets you exchange data among multiple languages like JSON, except that it's faster and smaller. Small integers are encoded into a single byte and short strings require only one extra byte in addition to the strings themselves.</Description>
-		<Archive sha1sum="625750b0497b775080d7027762352dcecd856cfb" type="targz">
-			https://github.com/msgpack/msgpack-c/releases/download/c-5.0.0/msgpack-c-5.0.0.tar.gz
+		<Archive sha1sum="2bb0503d5ae4f4026ec2ef729725c225d6212719" type="targz">
+			https://github.com/msgpack/msgpack-c/releases/download/c-6.0.0/msgpack-c-6.0.0.tar.gz
 		</Archive>
 		<BuildDependencies>
 			<Dependency>cmake</Dependency>
+			<Dependency>ninja</Dependency>
+			<Dependency>gtest-devel</Dependency>
 		</BuildDependencies>
 	</Source>
 
@@ -37,12 +39,20 @@
 			<Dependency release="current">msgpack-c</Dependency>
 		</RuntimeDependencies>
 		<Files>
+			<Path fileType="library">/usr/lib/cmake</Path>
 			<Path fileType="data">/usr/lib/pkgconfig</Path>
 			<Path fileType="header">/usr/include</Path>
 		</Files>
 	</Package>
 
 	<History>
+		<Update release="3">
+			<Date>2023-03-05</Date>
+			<Version>6.0.0</Version>
+			<Comment>Version bump.</Comment>
+			<Name>fury</Name>
+			<Email>uglyside@yandex.ru</Email>
+		</Update>
 		<Update release="2">
 			<Date>2023-01-15</Date>
 			<Version>5.0.0</Version>