diff --git a/README.md b/README.md
index c2a7b46..7770274 100644
--- a/README.md
+++ b/README.md
@@ -44,7 +44,7 @@ A Python application that displays the current time in `HH:MM:SS` format using f
 
 3. Install dependencies:
    ```bash
-   pip install luma.led_matrix spidev Pillow
+   pip install -r requirements.txt
    ```
 
 4. Enable SPI:
@@ -73,6 +73,8 @@ source venv/bin/activate
 pip install Pillow
 ```
 
+Note: The emulator only requires Pillow since it uses Tkinter (included with Python).
+
 ## Usage
 
 ### Emulator Mode (for development/testing)
diff --git a/requirements.txt b/requirements.txt
index 87a472e..b532f79 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,6 @@
-# Image processing (required for emulator and hardware)
+# Image processing
 Pillow>=9.0.0
 
-# Hardware support (only needed on Raspberry Pi)
-# Uncomment these when deploying to hardware:
-# luma.core>=2.4.0
-# luma.led_matrix>=1.7.0
+# Hardware support (Raspberry Pi)
+luma.led_matrix>=1.7.0
+spidev>=3.0