diff --git a/simtest.json b/simtest.json
index 51ffc1348a..ac29e63391 100644
--- a/simtest.json
+++ b/simtest.json
@@ -1,3 +1,3 @@
 {
-    "version": "v8.6.1a"
+    "version": "v8.6.4"
 }