diff --git a/default.nix b/default.nix
index a720ea9..e495a5c 100644
--- a/default.nix
+++ b/default.nix
@@ -12,7 +12,6 @@ stdenv.mkDerivation {
   buildInputs = [
     adc2tcp
     openocd
-    gdb
   ];
   src = ./.;
   dontBuild = true;
diff --git a/shell.nix b/shell.nix
index 2842905..4fc4d27 100644
--- a/shell.nix
+++ b/shell.nix
@@ -11,7 +11,7 @@ in
 stdenv.mkDerivation {
   name = "adc2tcp-env";
   buildInputs = with rustPlatform.rust; [
-    rustc cargo
+    rustc cargo gdb
   ];
 
   # Set Environment Variables