diff --git a/official/requirements.txt b/official/requirements.txt
index 5ff001b119ff41ab91082515a41d62d598e82b3b..74028adcb55626ea73c5ec728b207ad1e4819519 100644
--- a/official/requirements.txt
+++ b/official/requirements.txt
@@ -12,7 +12,7 @@ tensorflow-hub>=0.6.0
 tensorflow-model-optimization>=0.4.1
 tensorflow-datasets
 tensorflow-addons
-dataclasses
+dataclasses;python_version<"3.7"
 gin-config
 tf_slim>=1.1.0
 Cython