diff --git a/system/develop/packages.nix b/system/develop/packages.nix
index 0ebc574..0694dbb 100644
--- a/system/develop/packages.nix
+++ b/system/develop/packages.nix
@@ -12,6 +12,7 @@
     gh                 # GitHub CLI tool
     git                # Version control system
     git-lfs            # Git Large File Storage
+    gnupg              # GNU Privacy Guard
 
     # === DATA PROCESSING AND QUERY TOOLS ===
     # Tools for working with structured data