diff --git a/README.rst b/README.rst
index 87c37ecfe3caafd56a8baf778446dc14e02856cb..c1c03b7e722b4c2316f19c8d59aa61920d63169a 100644
--- a/README.rst
+++ b/README.rst
@@ -85,7 +85,7 @@ For Debian and Ubuntu, please ensure that the following packages are installed:
 
 .. code:: bash
 
-    sudo apt-get install build-essential libssl-dev python-dev
+    sudo apt-get install build-essential libssl-dev python3-dev
 
 For Fedora and RHEL-derivatives, please ensure that the following packages are installed:
 
@@ -192,4 +192,4 @@ Acknowledgements
 .. _Anaconda: https://www.continuum.io
 .. _beem.readthedocs.io: http://beem.readthedocs.io/en/latest/
 .. _beem-discord-channel: https://discord.gg/4HM592V
-    
\ No newline at end of file
+