diff --git a/mx.fastr/suite.py b/mx.fastr/suite.py
index 5426ec925be78d87683e0b21e159c6db27922b91..9cad842546294bd419a9b1ad6a673e16dd5aa9ea 100644
--- a/mx.fastr/suite.py
+++ b/mx.fastr/suite.py
@@ -21,7 +21,7 @@
 # questions.
 #
 suite = {
-  "mxversion" : "2.6.5",
+  "mxversion" : "2.6.6",
   "name" : "fastr",
   "libraries" : {
     "JDK_TOOLS" : {