diff --git a/buildTAP.xml b/buildTAP.xml
index 893615d8e6af6644fb5ecd1fdf37530d6e90f3d3..5a937ca4a5e67605cd3b3b40b13cc7609e070cf3 100644
--- a/buildTAP.xml
+++ b/buildTAP.xml
@@ -12,7 +12,7 @@
 
 	<property name="cosJarName" value="cos-1.5beta.jar" />
 	<property name="cosJar" value="${libDir}/${cosJarName}" />
-	<property name="stilJarName" value="stil_3.0-11.jar" />
+	<property name="stilJarName" value="stil_3.1.jar" />
 	<property name="stilJar" value="${libDir}/${stilJarName}" />
 		
 	<property name="tapPath" value="tap/**,adql/**,uws/**,cds/**" />
diff --git a/lib/stil_3.0-11.jar b/lib/stil_3.1.jar
similarity index 77%
rename from lib/stil_3.0-11.jar
rename to lib/stil_3.1.jar
index 1c7d53a179b8dd7c4d50f91a028d533e4cf59aa6..2889b40826b24ba3b774e5c88d11ec633d47cab4 100644
Binary files a/lib/stil_3.0-11.jar and b/lib/stil_3.1.jar differ