diff --git a/project/eo-lib/pom.xml b/project/eo-lib/pom.xml
index 705c9b21..60eb3d96 100644
--- a/project/eo-lib/pom.xml
+++ b/project/eo-lib/pom.xml
@@ -28,7 +28,7 @@ SOFTWARE.
   <artifactId>c2eo-transpiler</artifactId>
   <version>1.0-SNAPSHOT</version>
   <properties>
-    <eolang.version>0.28.0</eolang.version>
+    <eolang.version>0.40.4</eolang.version>
   </properties>
   <build>
     <plugins>