diff --git a/flake.lock b/flake.lock
index ac0965d..d61bcd7 100644
--- a/flake.lock
+++ b/flake.lock
@@ -10,11 +10,11 @@
         "rust-overlay": "rust-overlay"
       },
       "locked": {
-        "lastModified": 1669853699,
-        "narHash": "sha256-SvyPRwJeET7PCifBOvu+reQUUlyc4Ya1K37GrtZyiXY=",
+        "lastModified": 1670900067,
+        "narHash": "sha256-VXVa+KBfukhmWizaiGiHRVX/fuk66P8dgSFfkVN4/MY=",
         "owner": "ipetkov",
         "repo": "crane",
-        "rev": "0428181b7b8f619e71095cf2fab051bccdf10041",
+        "rev": "59b31b41a589c0a65e4a1f86b0e5eac68081468b",
         "type": "github"
       },
       "original": {
@@ -26,11 +26,11 @@
     "flake-compat": {
       "flake": false,
       "locked": {
-        "lastModified": 1650374568,
-        "narHash": "sha256-Z+s0J8/r907g149rllvwhb4pKi8Wam5ij0st8PwAh+E=",
+        "lastModified": 1668681692,
+        "narHash": "sha256-Ht91NGdewz8IQLtWZ9LCeNXMSXHUss+9COoqu6JLmXU=",
         "owner": "edolstra",
         "repo": "flake-compat",
-        "rev": "b4a34015c698c7793d592d66adbab377907a2be8",
+        "rev": "009399224d5e398d03b22badca40a37ac85412a1",
         "type": "github"
       },
       "original": {
@@ -86,11 +86,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1669809720,
-        "narHash": "sha256-RMT77f6CPOYtLLQ2esj+EJ1BPVWxf4RDidjrSvA5OhI=",
+        "lastModified": 1671268780,
+        "narHash": "sha256-9Okbivo10bcXEGCtmAQNfJt1Zpk6B3tjkSQ2CIXmTCg=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "227de2b3bbec142f912c09d5e8a1b4e778aa54fb",
+        "rev": "80c24eeb9ff46aa99617844d0c4168659e35175f",
         "type": "github"
       },
       "original": {
@@ -136,11 +136,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1667487142,
-        "narHash": "sha256-bVuzLs1ZVggJAbJmEDVO9G6p8BH3HRaolK70KXvnWnU=",
+        "lastModified": 1670034122,
+        "narHash": "sha256-EqmuOKucPWtMvCZtHraHr3Q3bgVszq1x2PoZtQkUuEk=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "cf668f737ac986c0a89e83b6b2e3c5ddbd8cf33b",
+        "rev": "a0d5773275ecd4f141d792d3a0376277c0fc0b65",
         "type": "github"
       },
       "original": {
@@ -155,11 +155,11 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1670380307,
-        "narHash": "sha256-7fJN5ndnE8YbrrtYdqMo3gDV/BW37M4wNBRhjdfP/XY=",
+        "lastModified": 1671243596,
+        "narHash": "sha256-vQ1q6uwx2gKsHbQVhkq17nT8HwUmRbIG8cJVFafNb5s=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "fc98242f5f49d39b8fd3a611c146741a35dc012d",
+        "rev": "905db21103d646ddc1eb81920e05180e6e2b6734",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 70bcf47..f090f8d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -38,8 +38,8 @@
           inherit cargoArtifacts src buildInputs;
         };
 
-        rust-toolchain = pkgs.rust-bin.stable.latest.default;
-        rust-dev-toolchain = pkgs.rust-bin.stable.latest.default.override {
+        rust-toolchain = pkgs.rust-bin.nightly."2022-12-17".default;
+        rust-dev-toolchain = pkgs.rust-bin.nightly."2022-12-17".default.override {
           extensions = [ "rust-src" "rust-analyzer" ];
         };
       in
@@ -78,6 +78,7 @@
         nativeBuildInputs = with pkgs; [
           rust-dev-toolchain
           bintools
+          gdb
         ];
       };
     });