diff --git a/.classpath b/.classpath
index 4edeeb9..34eac9c 100644
--- a/.classpath
+++ b/.classpath
@@ -8,9 +8,9 @@
 	<classpathentry kind="lib" path="lib/UnitTesting/junit-4.12.jar" sourcepath="lib/UnitTesting/junit-4.12-sources.jar"/>
 	<classpathentry kind="lib" path="lib/Logs/slf4j-api-1.7.25.jar" sourcepath="lib/Logs/slf4j-api-1.7.25-sources.jar"/>
 	<classpathentry kind="lib" path="lib/Logs/slf4j-log4j12-1.7.25.jar" sourcepath="lib/Logs/slf4j-log4j12-1.7.25-sources.jar"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/java-17-openjdk-amd64">
 		<attributes>
-			<attribute name="owner.project.facets" value="java"/>
+			<attribute name="module" value="true"/>
 		</attributes>
 	</classpathentry>
 	<classpathentry kind="output" path="bin"/>
diff --git a/.settings/org.eclipse.jdt.core.prefs b/.settings/org.eclipse.jdt.core.prefs
index 25da801..961ab0d 100644
--- a/.settings/org.eclipse.jdt.core.prefs
+++ b/.settings/org.eclipse.jdt.core.prefs
@@ -11,9 +11,9 @@ org.eclipse.jdt.core.codeComplete.staticFinalFieldPrefixes=
 org.eclipse.jdt.core.codeComplete.staticFinalFieldSuffixes=
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=11
+org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -22,7 +22,7 @@ org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
 org.eclipse.jdt.core.compiler.release=enabled
-org.eclipse.jdt.core.compiler.source=11
+org.eclipse.jdt.core.compiler.source=17
 org.eclipse.jdt.core.formatter.align_assignment_statements_on_columns=false
 org.eclipse.jdt.core.formatter.align_fields_grouping_blank_lines=2147483647
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
diff --git a/.settings/org.eclipse.wst.common.project.facet.core.xml b/.settings/org.eclipse.wst.common.project.facet.core.xml
index c6dae74..4e11ed5 100644
--- a/.settings/org.eclipse.wst.common.project.facet.core.xml
+++ b/.settings/org.eclipse.wst.common.project.facet.core.xml
@@ -3,5 +3,5 @@
   <fixed facet="jst.java"/>
   <fixed facet="jst.utility"/>
   <installed facet="jst.utility" version="1.0"/>
-  <installed facet="jst.java" version="11"/>
+  <installed facet="jst.java" version="17"/>
 </faceted-project>
diff --git a/build.num b/build.num
index 2b22e7d..d0e4558 100644
--- a/build.num
+++ b/build.num
@@ -1,3 +1,3 @@
 #Build Number for ANT. Do not edit!
 #Mon Jun 07 03:07:40 CEST 2021
-build.number=5
+build.number=0
diff --git a/build.properties b/build.properties
index ceaa93d..ad2fcdd 100644
--- a/build.properties
+++ b/build.properties
@@ -1,3 +1,3 @@
 product.name=devinsy-strings
 product.revision.major=0
-product.revision.minor=11
+product.revision.minor=17