diff --git a/.classpath b/.classpath
index 1c04f83..70e055e 100644
--- a/.classpath
+++ b/.classpath
@@ -20,5 +20,6 @@
 			<attribute name="owner.project.facets" value="java"/>
 		</attributes>
 	</classpathentry>
+	<classpathentry kind="lib" path="lib/joda-time-2.3.jar"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/lib/README b/lib/README
index 35bd199..26ec953 100644
--- a/lib/README
+++ b/lib/README
@@ -1,6 +1,7 @@
 Description of used libraries:
 - commons-lang: useful tools (StringUtils...)
 - hamcrest-core: required by junit
+- joda-time: useful DateTime library
 - junit: unit tests API
 - log4j: log API
 - slf4j-api: facade log API
diff --git a/lib/joda-time-2.3-sources.jar b/lib/joda-time-2.3-sources.jar
new file mode 100644
index 0000000..a2dda2e
Binary files /dev/null and b/lib/joda-time-2.3-sources.jar differ
diff --git a/lib/joda-time-2.3.jar b/lib/joda-time-2.3.jar
new file mode 100644
index 0000000..9dce4f9
Binary files /dev/null and b/lib/joda-time-2.3.jar differ