diff --git a/albert/requirements.txt b/albert/requirements.txt
index 65c9197..5e47beb 100644
--- a/albert/requirements.txt
+++ b/albert/requirements.txt
@@ -1,5 +1,5 @@
 # Run pip install --upgrade pip if tensorflow 1.15 cannot be found
-tensorflow==1.15.2   # CPU Version of TensorFlow
+tensorflow==2.5.1   # CPU Version of TensorFlow
 tensorflow_hub==0.7
 # tensorflow-gpu==1.15  # GPU version of TensorFlow
 sentencepiece
diff --git a/requirements.txt b/requirements.txt
index 9e41fae..e2ceec7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 # Run pip install --upgrade pip if tensorflow 1.15 cannot be found
-tensorflow==1.15.2   # CPU Version of TensorFlow
+tensorflow==2.5.1   # CPU Version of TensorFlow
 # tensorflow-gpu==1.15  # GPU version of TensorFlow
 tensorflow_hub==0.7
 torch==1.6.0
diff --git a/requirements_colab.txt b/requirements_colab.txt
index 1bde112..fe23d07 100644
--- a/requirements_colab.txt
+++ b/requirements_colab.txt
@@ -1,5 +1,5 @@
 # Run pip install --upgrade pip if tensorflow 1.15 cannot be found
-tensorflow==1.15.2   # CPU Version of TensorFlow
+tensorflow==2.5.1   # CPU Version of TensorFlow
 # tensorflow-gpu==1.15  # GPU version of TensorFlow
 tensorflow_hub==0.7
 # torch==1.6.0