diff --git a/docs/source/install.md b/docs/source/install.md
index 187bd4ea06df645101624ff9e81bb3b774dad432..ccea693d95ce91c5956ea84b9834bac344765a35 100644
--- a/docs/source/install.md
+++ b/docs/source/install.md
@@ -117,11 +117,11 @@ conda install -y -c gcc_linux-64=8.4.0 gxx_linux-64=8.4.0
 ```
 (Hip: Do not use the last script if you want to install by **Hard** way):
 ### Install PaddlePaddle
-You can choose the `PaddlePaddle` version based on your system. For example, for CUDA 10.2, CuDNN7.5 install paddlepaddle-gpu 2.4rc:
+You can choose the `PaddlePaddle` version based on your system. For example, for CUDA 10.2, CuDNN7.6 install paddlepaddle-gpu 2.4rc:
 ```bash
 python3 -m pip install paddlepaddle-gpu==2.4.0rc0 -i https://mirror.baidu.com/pypi/simple
 ```
-You can also install the develop version of paddlepaddle. For example, for CUDA 10.2, CuDNN7.5 install paddlepaddle-gpu develop:
+You can also install the develop version of paddlepaddle. For example, for CUDA 10.2, CuDNN7.6 install paddlepaddle-gpu develop:
 ```bash
 python3 -m pip install paddlepaddle-gpu==0.0.0.post102 -f https://www.paddlepaddle.org.cn/whl/linux/gpu/develop.html
 ```
@@ -184,11 +184,11 @@ Some users may fail to install `kaldiio` due to the default download source, you
 ```bash
 pip install pytest-runner -i https://pypi.tuna.tsinghua.edu.cn/simple
 ```
-Make sure you have GPU and the paddlepaddle version is right. For example, for CUDA 10.2, CuDNN7.5 install paddle 2.4rc:
+Make sure you have GPU and the paddlepaddle version is right. For example, for CUDA 10.2, CuDNN7.6 install paddle 2.4rc:
 ```bash
 python3 -m pip install paddlepaddle-gpu==2.4.0rc0 -i https://mirror.baidu.com/pypi/simple
 ```
-You can also install the develop version of paddlepaddle. For example, for CUDA 10.2, CuDNN7.5 install paddlepaddle-gpu develop:
+You can also install the develop version of paddlepaddle. For example, for CUDA 10.2, CuDNN7.6 install paddlepaddle-gpu develop:
 ```bash
 python3 -m pip install paddlepaddle-gpu==0.0.0.post102 -f https://www.paddlepaddle.org.cn/whl/linux/gpu/develop.html
 ```