diff --git a/flake.lock b/flake.lock
index 18c76dc..3b31899 100644
--- a/flake.lock
+++ b/flake.lock
@@ -5,29 +5,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1710146030,
-        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
+        "lastModified": 1726560853,
+        "narHash": "sha256-X6rJYSESBVr3hBoH0WbKE5KvhPU5bloyZ2L4K60/fPQ=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "flake-utils_2": {
-      "inputs": {
-        "systems": "systems_2"
-      },
-      "locked": {
-        "lastModified": 1705309234,
-        "narHash": "sha256-uNRRNRKmJyCRC/8y1RqBkqWBLM034y4qN7EprSdmgyA=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "1ef2e671c3b0c19053962c07dbda38332dcebf26",
+        "rev": "c1dfcf08411b08f6b8615f7d8971a2bfa81d5e8a",
         "type": "github"
       },
       "original": {
@@ -38,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1716509168,
-        "narHash": "sha256-4zSIhSRRIoEBwjbPm3YiGtbd8HDWzFxJjw5DYSDy1n8=",
+        "lastModified": 1729880355,
+        "narHash": "sha256-RP+OQ6koQQLX5nw0NmcDrzvGL8HDLnyXt/jHhL1jwjM=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "bfb7a882678e518398ce9a31a881538679f6f092",
+        "rev": "18536bf04cd71abd345f9579158841376fdd0c5a",
         "type": "github"
       },
       "original": {
@@ -54,11 +36,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1706487304,
-        "narHash": "sha256-LE8lVX28MV2jWJsidW13D2qrHU/RUUONendL2Q/WlJg=",
+        "lastModified": 1728538411,
+        "narHash": "sha256-f0SBJz1eZ2yOuKUr5CA9BHULGXVSn6miBuUWdTyhUhU=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "90f456026d284c22b3e3497be980b2e47d0b28ac",
+        "rev": "b69de56fac8c2b6f8fd27f2eca01dcda8e0a4221",
         "type": "github"
       },
       "original": {
@@ -77,15 +59,14 @@
     },
     "rust-overlay": {
       "inputs": {
-        "flake-utils": "flake-utils_2",
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1716862669,
-        "narHash": "sha256-7oTPM9lcdwiI1cpRC313B+lHawocgpY5F07N+Rbm5Uk=",
+        "lastModified": 1730169013,
+        "narHash": "sha256-rvgF03ODu1uEYbdEsloN4fQrJ+k1NOv/7MJvCpHHnBk=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "47b2d15658b37716393b2463a019000dbd6ce4bc",
+        "rev": "92eb1268cc19609f2fe24311b871f37bf3dc5afd",
         "type": "github"
       },
       "original": {
@@ -108,21 +89,6 @@
         "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"
-      }
     }
   },
   "root": "root",
diff --git a/flake.nix b/flake.nix
index a65ba5f..dae1096 100644
--- a/flake.nix
+++ b/flake.nix
@@ -26,9 +26,9 @@
           buildInputs = [
             rust-bin.stable.latest.default
             cargo-make
-            llvmPackages_18.clangUseLLVM
-            llvmPackages_18.libclang
-            llvmPackages_18.libllvm
+            llvmPackages_19.clangUseLLVM
+            llvmPackages_19.libclang
+            llvmPackages_19.libllvm
             zlib
             cargo-flamegraph
             # für qemu
@@ -72,7 +72,7 @@
           # export EMULATION_MODE=systemmode
           # export CPU_TARGET=arm
           # export CROSS_CC=arm-none-eabi-gcc
-          export LIBCLANG_PATH=${llvmPackages_17.libclang.lib}/lib
+          export LIBCLANG_PATH=${llvmPackages_19.libclang.lib}/lib
           '';
         };