diff --git a/matrix.json b/matrix.json
index 893e022..0622a29 100644
--- a/matrix.json
+++ b/matrix.json
@@ -11,6 +11,7 @@
   "tensorflow": [
     "1.7.4",
     "2.8.6",
-    "3.21.1"
+    "3.21.1",
+    "4.0.0"
   ]
 }