diff --git a/.envrc b/.envrc
index 3550a30..af54e19 100644
--- a/.envrc
+++ b/.envrc
@@ -1 +1,2 @@
-use flake
+export NIXPKGS_ALLOW_UNFREE=1
+use flake . --impure
diff --git a/flake.nix b/flake.nix
index c09dbd6..114eda1 100644
--- a/flake.nix
+++ b/flake.nix
@@ -10,6 +10,7 @@
     let
       system = "x86_64-linux";
       pkgs = import nixpkgs { inherit system; };
+      nvidiaPackage = pkgs.linuxPackages.nvidiaPackages.stable;
     in
     {
       devShells.${system}.default = pkgs.mkShell {
@@ -30,9 +31,37 @@
           pandoc
           bc
           llvmPackages.openmp
+          # cuda stuff
+          ffmpeg
+          fmt.dev
+          cudaPackages.cuda_cudart
+          cudatoolkit
+          nvidiaPackage
+          cudaPackages.cudnn
+          libGLU
+          libGL
+          xorg.libXi
+          xorg.libXmu
+          freeglut
+          xorg.libXext
+          xorg.libX11
+          xorg.libXv
+          xorg.libXrandr
+          zlib
+          ncurses
+          stdenv.cc
+          binutils
+          uv
         ];
         shellHook = ''
           echo welcome!
+          echo "setting up cuda stuff"
+          export LD_LIBRARY_PATH="${nvidiaPackage}/lib:$LD_LIBRARY_PATH"
+          export CUDA_PATH=${pkgs.cudatoolkit}
+          export EXTRA_LDFLAGS="-L/lib -L${nvidiaPackage}/lib"
+          export EXTRA_CCFLAGS="-I/usr/include"
+          export CMAKE_PREFIX_PATH="${pkgs.fmt.dev}:$CMAKE_PREFIX_PATH"
+          export PKG_CONFIG_PATH="${pkgs.fmt.dev}/lib/pkgconfig:$PKG_CONFIG_PATH"
         '';
       };
     };