diff --git a/tortoise/.direnv/flake-profile b/tortoise/.direnv/flake-profile
index 4e45b4a..6b1ce7e 120000
--- a/tortoise/.direnv/flake-profile
+++ b/tortoise/.direnv/flake-profile
@@ -1 +1 @@
-flake-profile-22-link
\ No newline at end of file
+flake-profile-23-link
\ No newline at end of file
diff --git a/tortoise/.direnv/flake-profile-22-link b/tortoise/.direnv/flake-profile-22-link
deleted file mode 120000
index 876c99e..0000000
--- a/tortoise/.direnv/flake-profile-22-link
+++ /dev/null
@@ -1 +0,0 @@
-/nix/store/jc0724y8lrsl7cynqdphq7ivbiq8cz52-nix-shell-env
\ No newline at end of file
diff --git a/tortoise/.direnv/flake-profile-23-link b/tortoise/.direnv/flake-profile-23-link
new file mode 120000
index 0000000..f758336
--- /dev/null
+++ b/tortoise/.direnv/flake-profile-23-link
@@ -0,0 +1 @@
+/nix/store/si8bl44ig6gqpndgxrgj42l784r5l4pr-nix-shell-env
\ No newline at end of file
diff --git a/tortoise/flake.nix b/tortoise/flake.nix
index b0c0ec0..a17a64a 100644
--- a/tortoise/flake.nix
+++ b/tortoise/flake.nix
@@ -20,9 +20,9 @@
           {
             packages = with pkgs; [
               glibc
-              nix-env
               clang-tools
               cmake
+              gnumake
               codespell
               conan
               cppcheck
diff --git a/tortoise/tortoise b/tortoise/tortoise
index b85a96a..9e9a088 100755
Binary files a/tortoise/tortoise and b/tortoise/tortoise differ