diff --git a/build.json b/build.json
index ab97ca9..35871c9 100644
--- a/build.json
+++ b/build.json
@@ -1,5 +1,5 @@
 {
     "args": {
-      "TESLAMATE_TAG": "1.21.5"
+      "TESLAMATE_TAG": "1.21.6"
     }
-}
\ No newline at end of file
+}