diff --git a/.classpath b/.classpath
index 4d16805..941c5a4 100644
--- a/.classpath
+++ b/.classpath
@@ -14,7 +14,6 @@
 	<classpathentry kind="lib" path="lib/UnitTesting/hamcrest-core-1.3.jar" sourcepath="lib/UnitTesting/hamcrest-core-1.3-sources.jar"/>
 	<classpathentry kind="lib" path="lib/UnitTesting/junit-4.12.jar" sourcepath="lib/UnitTesting/junit-4.12-sources.jar"/>
 	<classpathentry kind="lib" path="lib/tomcat9-servlet-api-9.0.31.jar" sourcepath="lib/tomcat9-servlet-api-9.0.31-sources.jar"/>
-	<classpathentry kind="lib" path="lib/xidyn-1.11.2.jar" sourcepath="lib/xidyn-1.11.2-sources.zip"/>
 	<classpathentry kind="lib" path="lib/commons-io-2.7.jar" sourcepath="lib/commons-io-2.7-sources.jar"/>
 	<classpathentry kind="lib" path="lib/Logs/log4j-api-2.17.0.jar" sourcepath="lib/Logs/log4j-api-2.17.0-sources.jar"/>
 	<classpathentry kind="lib" path="lib/Logs/log4j-core-2.17.0.jar" sourcepath="lib/Logs/log4j-core-2.17.0-sources.jar"/>
@@ -27,5 +26,6 @@
 		</attributes>
 	</classpathentry>
 	<classpathentry kind="lib" path="lib/devinsy-strings-0.17.0.jar" sourcepath="lib/devinsy-strings-0.17.0-sources.zip"/>
+	<classpathentry kind="lib" path="lib/xidyn-1.17.0.jar" sourcepath="lib/xidyn-1.17.0-sources.zip"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/lib/xidyn-1.11.2-sources.zip b/lib/xidyn-1.17.0-sources.zip
similarity index 85%
rename from lib/xidyn-1.11.2-sources.zip
rename to lib/xidyn-1.17.0-sources.zip
index 00d1097..0da63d8 100644
Binary files a/lib/xidyn-1.11.2-sources.zip and b/lib/xidyn-1.17.0-sources.zip differ
diff --git a/lib/xidyn-1.11.2.jar b/lib/xidyn-1.17.0.jar
similarity index 77%
rename from lib/xidyn-1.11.2.jar
rename to lib/xidyn-1.17.0.jar
index bd7e91b..3d7ea98 100644
Binary files a/lib/xidyn-1.11.2.jar and b/lib/xidyn-1.17.0.jar differ