diff --git a/src/gausskernel/dbmind/predictor/install/requirements-gpu.txt b/src/gausskernel/dbmind/predictor/install/requirements-gpu.txt
index 01f1f7db6..baf8e8ea3 100644
--- a/src/gausskernel/dbmind/predictor/install/requirements-gpu.txt
+++ b/src/gausskernel/dbmind/predictor/install/requirements-gpu.txt
@@ -1,7 +1,7 @@
 configparser==3.8.1
-Flask==0.12.2
+Flask==1.0
 Keras==2.2.4
 numpy==1.16.4
 pandas==0.25.1
 scikit-learn==0.19.1
-tensorflow-gpu==1.14.0
+tensorflow-gpu==1.15.2
diff --git a/src/gausskernel/dbmind/predictor/install/requirements.txt b/src/gausskernel/dbmind/predictor/install/requirements.txt
index 99a207e76..bdb699d66 100644
--- a/src/gausskernel/dbmind/predictor/install/requirements.txt
+++ b/src/gausskernel/dbmind/predictor/install/requirements.txt
@@ -1,7 +1,7 @@
 configparser==3.8.1
-Flask==0.12.2
+Flask==1.0
 Keras==2.2.4
 numpy==1.16.4
 pandas==0.25.1
 scikit-learn==0.19.1
-tensorflow==1.14.0
+tensorflow==1.15.2
diff --git a/src/gausskernel/dbmind/xtuner/Readme.md b/src/gausskernel/dbmind/xtuner/Readme.md
index 57d0a3abb..2ee76d113 100644
--- a/src/gausskernel/dbmind/xtuner/Readme.md
+++ b/src/gausskernel/dbmind/xtuner/Readme.md
@@ -27,7 +27,7 @@ pip install -r requirements.txt
 ## Dependencies
 
     python3.5+
-    tensorflow==1.14
+    tensorflow==1.15.2
     keras-rl
     keras
     paramiko
diff --git a/src/gausskernel/dbmind/xtuner/requirements.txt b/src/gausskernel/dbmind/xtuner/requirements.txt
index ad1920c30..772da01c0 100644
--- a/src/gausskernel/dbmind/xtuner/requirements.txt
+++ b/src/gausskernel/dbmind/xtuner/requirements.txt
@@ -1,4 +1,4 @@
-tensorflow==1.14.0
+tensorflow==1.15.2
 keras-rl
 keras<=2.2.5
 paramiko