diff --git a/pom.xml b/pom.xml
index d85ee7c..11d47a4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@ SOFTWARE.
   <artifactId>sandbox</artifactId>
   <version>1.0-SNAPSHOT</version>
   <properties>
-    <eolang.version>0.35.0</eolang.version>
+    <eolang.version>0.40.3</eolang.version>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
   </properties>