diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..a3cfef0
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,116 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1681202837,
+        "narHash": "sha256-H+Rh19JDwRtpVPAWp64F+rlEtxUWBAQW28eAi3SRSzg=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "cfacdce06f30d2b68473a46042957675eebb3401",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1682109806,
+        "narHash": "sha256-d9g7RKNShMLboTWwukM+RObDWWpHKaqTYXB48clBWXI=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "2362848adf8def2866fabbffc50462e929d7fffb",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "oxalica-rust": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1682129965,
+        "narHash": "sha256-1KRPIorEL6pLpJR04FwAqqnt4Tzcm4MqD84yhlD+XSk=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "2c417c0460b788328220120c698630947547ee83",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "oxalica-rust": "oxalica-rust",
+        "utils": "utils"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "systems_2": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "utils": {
+      "inputs": {
+        "systems": "systems_2"
+      },
+      "locked": {
+        "lastModified": 1681202837,
+        "narHash": "sha256-H+Rh19JDwRtpVPAWp64F+rlEtxUWBAQW28eAi3SRSzg=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "cfacdce06f30d2b68473a46042957675eebb3401",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..9465630
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,60 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    utils.url = "github:numtide/flake-utils";
+    oxalica-rust = {
+      url = "github:oxalica/rust-overlay";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs = inputs@{ self, nixpkgs, utils, oxalica-rust }:
+    utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system}.extend oxalica-rust.overlays.default;
+        rustStable = pkgs.rust-bin.stable.latest;
+        rustNightly = pkgs.rust-bin.nightly.latest;
+        rust = rustStable.minimal;
+
+        unpack = drv: pkgs.runCommand "${drv.name}-unpacked" {} ''
+          mkdir extracted
+          cd extracted
+          unpackFile ${drv}
+          cp -a ./* $out
+        '';
+
+        ffmpeg = pkgs.ffmpeg_6;
+      in {
+        devShell = with pkgs; mkShell {
+          buildInputs = [
+            clang pkg-config
+            nasm
+
+            (enableDebugging ffmpeg).out
+            (enableDebugging ffmpeg).dev
+
+            (rust.override {
+              extensions = [
+                "rust-src"
+                "clippy"
+              ];
+            })
+
+            # necessary for unstable format options
+            rustNightly.rustfmt
+
+            (writeShellScriptBin "gdb" ''
+              RUSTC_COMMIT="$(rustc -vV | awk '/commit-hash: (.+)/ { print $2 }')"
+
+              exec ${gdb}/bin/gdb \
+                -ex "set substitute-path '/rustc/$RUSTC_COMMIT' '${rustStable.rust-src}/lib/rustlib/src/rust'" \
+                -d ${unpack ffmpeg.src} \
+                "$@"
+            '')
+          ];
+
+          RUST_BACKTRACE = 1;
+          LIBCLANG_PATH = "${llvmPackages.libclang.lib}/lib";
+        };
+      });
+}
diff --git a/shell.nix b/shell.nix
deleted file mode 100644
index 254363c..0000000
--- a/shell.nix
+++ /dev/null
@@ -1,21 +0,0 @@
-let
-  mozilla = import (builtins.fetchTarball https://github.com/mozilla/nixpkgs-mozilla/archive/master.tar.gz);
-in
-
-with (import <nixpkgs> {
-  overlays = [mozilla];
-});
-
-mkShell {
-  name = "ffmpeg-sys";
-
-  buildInputs = [
-    # For building.
-    clang rustChannels.nightly.rust pkg-config ffmpeg
-  ];
-
-  RUST_BACKTRACE = 1;
-  RUSTFLAGS = "-C target-cpu=native";
-
-  LIBCLANG_PATH = "${llvmPackages.libclang.lib}/lib";
-}