diff --git a/flake.lock b/flake.lock
index 7f9d97268..ae0eb2287 100644
--- a/flake.lock
+++ b/flake.lock
@@ -62,6 +62,22 @@
         "type": "github"
       }
     },
+    "nixpkgs-unstable": {
+      "locked": {
+        "lastModified": 1652739558,
+        "narHash": "sha256-znGkjGugajqF/sFS+H4+ENmGTaVPFE0uu1JjQZJLEaQ=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "ff691ed9ba21528c1b4e034f36a04027e4522c58",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs_2": {
       "locked": {
         "lastModified": 1631288242,
@@ -83,6 +99,7 @@
         "flake-compat": "flake-compat",
         "flake-utils": "flake-utils",
         "nixpkgs": "nixpkgs",
+        "nixpkgs-unstable": "nixpkgs-unstable",
         "zig": "zig"
       }
     },
diff --git a/flake.nix b/flake.nix
index 2fe36efef..e294dca89 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,6 +3,7 @@
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/release-21.11";
+    nixpkgs-unstable.url = "github:nixos/nixpkgs/nixpkgs-unstable";
     flake-utils.url = "github:numtide/flake-utils";
     zig.url = "github:roarkanize/zig-overlay";
 
@@ -19,6 +20,9 @@
         # Other overlays
         (final: prev: {
           zigpkgs = inputs.zig.packages.${prev.system};
+
+          # Latest version of Tracy
+          tracy = inputs.nixpkgs-unstable.legacyPackages.${prev.system}.tracy;
         })
       ];