diff --git a/README.md b/README.md
index 0cdcecdac..f0cecc2c4 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ BrainPy is a flexible, efficient, and extensible framework for computational neu
 BrainPy is based on Python (>=3.7) and can be installed on  Linux (Ubuntu 16.04 or later), macOS (10.12 or later), and Windows platforms. Install the latest version of BrainPy:
 
 ```bash
-$ pip install brain-py -U
+$ pip install brainpy -U
 ```
 
 The following packages are required for ``BrainPy``: 
diff --git a/docs/quickstart/installation.rst b/docs/quickstart/installation.rst
index 3fe72a420..3d5e09452 100644
--- a/docs/quickstart/installation.rst
+++ b/docs/quickstart/installation.rst
@@ -18,13 +18,13 @@ To do so, use:
 
 .. code-block:: bash
 
-    pip install brain-py
+    pip install brainpy
 
 To update the BrainPy version, you can use
 
 .. code-block:: bash
 
-    pip install -U brain-py
+    pip install -U brainpy
 
 
 If you want to install the pre-release version (the latest development version)
@@ -32,7 +32,7 @@ of BrainPy, you can use:
 
 .. code-block:: bash
 
-   pip install --pre brain-py
+   pip install --pre brainpy
 
 
 Installation from source