diff --git a/test_requirements.txt b/test_requirements.txt
index 388c78c..c8c0c7d 100644
--- a/test_requirements.txt
+++ b/test_requirements.txt
@@ -4,4 +4,4 @@ coveralls
 numpy
 onnx
 onnxruntime
-tensorflow==1.15.2
+tensorflow==2.6.4