diff --git a/script/nix/shell.nix b/script/nix/shell.nix
index ea68912..da75bba 100644
--- a/script/nix/shell.nix
+++ b/script/nix/shell.nix
@@ -69,6 +69,7 @@ with nixpkgs;
 
     vim
     exiftool
+    gitAndTools.git-imerge
   ]
   ++ android-studio-deps
   )