diff --git a/requirements.txt b/requirements.txt
index d2a0947..3ca97d3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,13 +1,13 @@
 Flask==2.2.2
-Keras
+Keras==2.4.2
 logzero==1.7.0
 pandas==1.3.5
 scikit_learn==1.0.2
 scipy==1.4.1
-tensorflow
+tensorflow==2.5.3
 xgboost==1.6.1
 h5py==2.10.0
 protobuf==3.19.0
 xlsxwriter==3.0.3
-prophet
-get_holiday_cn
+prophet==1.1.1
+get_holiday_cn==1.0.4