diff --git a/pom.xml b/pom.xml
index 65ea77f..d2ae3f3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -79,7 +79,7 @@
         <dependency>
             <groupId>org.choco-solver</groupId>
             <artifactId>choco-solver</artifactId>
-            <version>4.10.18</version>
+            <version>6.0.0</version>
         </dependency>
         <dependency>
             <groupId>guru.nidi</groupId>