diff --git a/download/0.0.12.json b/download/0.0.12.json
index 86084bc771c6a900368b47e138cc7c0be103795f..f7a1a1faef9578477eab1cbe2d627efcab19cf6c 100644
--- a/download/0.0.12.json
+++ b/download/0.0.12.json
@@ -3,7 +3,7 @@
 	"tools" : {
 		"20sim" : {
 			"name" : "20-sim",
-			"version" : "4.6.2-intocps (2016-09-15)",
+			"version" : "4.6.3.7590-intocps (2017-01-26)",
 			"description" : "Modeling and simulation tool",
 			"platforms" : {
 				"windows32" : {