diff --git a/.gitignore b/.gitignore
index da9c0b8..58078c1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 *.iml
 /out/
+/target/
diff --git a/pom.xml b/pom.xml
new file mode 100644
index 0000000..bc35c7c
--- /dev/null
+++ b/pom.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xmlns="http://maven.apache.org/POM/4.0.0"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>org.zabuzard.closy</groupId>
+    <artifactId>closy</artifactId>
+    <version>1.1</version>
+
+    <properties>
+        <maven.compiler.source>9</maven.compiler.source>
+        <maven.compiler.target>9</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+</project>
\ No newline at end of file
diff --git a/de.zabuza.closy/src/module-info.java b/src/main/java/module-info.java
similarity index 61%
rename from de.zabuza.closy/src/module-info.java
rename to src/main/java/module-info.java
index 46787cb..05845d9 100644
--- a/de.zabuza.closy/src/module-info.java
+++ b/src/main/java/module-info.java
@@ -1,6 +1,6 @@
 /**
  * Closy is a library that provides fast and generic solutions for nearest neighbor search (NNS).
  */
-module de.zabuza.closy {
-	exports de.zabuza.closy.external;
+module org.zabuzard.closy {
+	exports org.zabuzard.closy.external;
 }
\ No newline at end of file
diff --git a/de.zabuza.closy/src/de/zabuza/closy/external/Metric.java b/src/main/java/org/zabuzard/closy/external/Metric.java
similarity index 96%
rename from de.zabuza.closy/src/de/zabuza/closy/external/Metric.java
rename to src/main/java/org/zabuzard/closy/external/Metric.java
index 4e1b7a4..f876f1b 100644
--- a/de.zabuza.closy/src/de/zabuza/closy/external/Metric.java
+++ b/src/main/java/org/zabuzard/closy/external/Metric.java
@@ -1,4 +1,4 @@
-package de.zabuza.closy.external;
+package org.zabuzard.closy.external;
 
 /**
  * Interface for a metric defined on a given type of objects.
diff --git a/de.zabuza.closy/src/de/zabuza/closy/external/NearestNeighborComputation.java b/src/main/java/org/zabuzard/closy/external/NearestNeighborComputation.java
similarity index 98%
rename from de.zabuza.closy/src/de/zabuza/closy/external/NearestNeighborComputation.java
rename to src/main/java/org/zabuzard/closy/external/NearestNeighborComputation.java
index b46aba0..4c83abc 100644
--- a/de.zabuza.closy/src/de/zabuza/closy/external/NearestNeighborComputation.java
+++ b/src/main/java/org/zabuzard/closy/external/NearestNeighborComputation.java
@@ -1,4 +1,4 @@
-package de.zabuza.closy.external;
+package org.zabuzard.closy.external;
 
 import java.util.Collection;
 import java.util.Optional;
diff --git a/de.zabuza.closy/src/de/zabuza/closy/external/NearestNeighborComputations.java b/src/main/java/org/zabuzard/closy/external/NearestNeighborComputations.java
similarity index 91%
rename from de.zabuza.closy/src/de/zabuza/closy/external/NearestNeighborComputations.java
rename to src/main/java/org/zabuzard/closy/external/NearestNeighborComputations.java
index 27d666e..4d94727 100644
--- a/de.zabuza.closy/src/de/zabuza/closy/external/NearestNeighborComputations.java
+++ b/src/main/java/org/zabuzard/closy/external/NearestNeighborComputations.java
@@ -1,6 +1,6 @@
-package de.zabuza.closy.external;
+package org.zabuzard.closy.external;
 
-import de.zabuza.closy.internal.CoverTree;
+import org.zabuzard.closy.internal.CoverTree;
 
 /**
  * Provides utility methods for nearest neighbor computations.
diff --git a/de.zabuza.closy/src/de/zabuza/closy/external/package-info.java b/src/main/java/org/zabuzard/closy/external/package-info.java
similarity index 68%
rename from de.zabuza.closy/src/de/zabuza/closy/external/package-info.java
rename to src/main/java/org/zabuzard/closy/external/package-info.java
index f2452d2..40d1f56 100644
--- a/de.zabuza.closy/src/de/zabuza/closy/external/package-info.java
+++ b/src/main/java/org/zabuzard/closy/external/package-info.java
@@ -1,4 +1,4 @@
 /**
  * Public interface for nearest neighbor computations offered by Closy.
  */
-package de.zabuza.closy.external;
\ No newline at end of file
+package org.zabuzard.closy.external;
\ No newline at end of file
diff --git a/de.zabuza.closy/src/de/zabuza/closy/internal/CoverTree.java b/src/main/java/org/zabuzard/closy/internal/CoverTree.java
similarity index 99%
rename from de.zabuza.closy/src/de/zabuza/closy/internal/CoverTree.java
rename to src/main/java/org/zabuzard/closy/internal/CoverTree.java
index c9ae2d7..223ef84 100644
--- a/de.zabuza.closy/src/de/zabuza/closy/internal/CoverTree.java
+++ b/src/main/java/org/zabuzard/closy/internal/CoverTree.java
@@ -1,7 +1,7 @@
-package de.zabuza.closy.internal;
+package org.zabuzard.closy.internal;
 
-import de.zabuza.closy.external.Metric;
-import de.zabuza.closy.external.NearestNeighborComputation;
+import org.zabuzard.closy.external.Metric;
+import org.zabuzard.closy.external.NearestNeighborComputation;
 
 import java.util.*;
 import java.util.stream.Collectors;
diff --git a/de.zabuza.closy/src/de/zabuza/closy/internal/Node.java b/src/main/java/org/zabuzard/closy/internal/Node.java
similarity index 98%
rename from de.zabuza.closy/src/de/zabuza/closy/internal/Node.java
rename to src/main/java/org/zabuzard/closy/internal/Node.java
index 2bdb7e5..d97bb80 100644
--- a/de.zabuza.closy/src/de/zabuza/closy/internal/Node.java
+++ b/src/main/java/org/zabuzard/closy/internal/Node.java
@@ -1,4 +1,4 @@
-package de.zabuza.closy.internal;
+package org.zabuzard.closy.internal;
 
 import java.util.ArrayList;
 import java.util.Collections;
diff --git a/de.zabuza.closy/src/de/zabuza/closy/internal/package-info.java b/src/main/java/org/zabuzard/closy/internal/package-info.java
similarity index 77%
rename from de.zabuza.closy/src/de/zabuza/closy/internal/package-info.java
rename to src/main/java/org/zabuzard/closy/internal/package-info.java
index 17e61e4..2e5325b 100644
--- a/de.zabuza.closy/src/de/zabuza/closy/internal/package-info.java
+++ b/src/main/java/org/zabuzard/closy/internal/package-info.java
@@ -1,4 +1,4 @@
 /**
  * Internal interface for nearest neighbor computations offered by Closy, contains the underlying implementation.
  */
-package de.zabuza.closy.internal;
\ No newline at end of file
+package org.zabuzard.closy.internal;
\ No newline at end of file