diff --git a/system/develop/packages.nix b/system/develop/packages.nix
index 3ace295..d54cb99 100644
--- a/system/develop/packages.nix
+++ b/system/develop/packages.nix
@@ -46,11 +46,12 @@
       pip                   # Python package installer
       virtualenv            # Virtual environment management
       poetry-core           # Modern Python dependency management
-      requests
       beautifulsoup4
       numpy
       pandas
       pyqt5
+      requests
+      yaml
     ]))
 
     # === C/C++ DEVELOPMENT ===