diff --git a/core-lib/es6/pom.xml b/core-lib/es6/pom.xml
index 2a75c01a..21de2ce5 100644
--- a/core-lib/es6/pom.xml
+++ b/core-lib/es6/pom.xml
@@ -4,7 +4,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.jsweet</groupId>
 	<artifactId>jsweet-core</artifactId>
-	<version>6.1.0</version>
+	<version>6.0.5</version>
 	<name>JSweet Core Lib</name>
 	<description>JavaScript API for JSweet</description>
 	<url>http://www.jsweet.org</url>
diff --git a/transpiler/pom.xml b/transpiler/pom.xml
index a6528bdc..95acaeac 100644
--- a/transpiler/pom.xml
+++ b/transpiler/pom.xml
@@ -260,7 +260,7 @@
 		<dependency>
 			<groupId>org.jsweet</groupId>
 			<artifactId>jsweet-core</artifactId>
-			<version>6.1.0</version>
+			<version>6.0.5</version>
 			<scope>test</scope>
 			<optional>true</optional>
 		</dependency>