diff --git a/flake.lock b/flake.lock
index 67ace46..eb4564b 100755
--- a/flake.lock
+++ b/flake.lock
@@ -1,5 +1,21 @@
 {
   "nodes": {
+    "clay": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1742509368,
+        "narHash": "sha256-XSaMuWCADZgZnRaGcBgf+u40O6jS5kkpq3Xruy6z+I0=",
+        "owner": "nicbarker",
+        "repo": "clay",
+        "rev": "ad49977f1b37ccd7664333181f30f575d08d3838",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nicbarker",
+        "repo": "clay",
+        "type": "github"
+      }
+    },
     "imgui": {
       "flake": false,
       "locked": {
@@ -35,6 +51,7 @@
     },
     "root": {
       "inputs": {
+        "clay": "clay",
         "imgui": "imgui",
         "nixpkgs": "nixpkgs"
       }
diff --git a/flake.nix b/flake.nix
index 2caf8d5..8d5dfc5 100755
--- a/flake.nix
+++ b/flake.nix
@@ -62,6 +62,7 @@
                 modules/TestMenu/src/*.cpp src/App.cpp \
                 -fpic -shared \
                 -I src \
+                -I utils \
                 -Wall \
                 -o $name 
             ''; 
@@ -88,6 +89,7 @@
                 modules/Print/src/*.cpp src/App.cpp \
                 -fpic -shared \
                 -I src -I include \
+                -I utils \
                 -Wall \
                 -o $name 
             ''; 
@@ -114,6 +116,7 @@
                 modules/DependsOnPrint/src/*.cpp src/App.cpp \
                 -fpic -shared \
                 -I src -I include \
+                -I utils \
                 -Wall \
                 -o $name 
             ''; 
@@ -145,6 +148,7 @@
                 modules/Window/src/*.cpp modules/Window/src/WindowImpl/GLFW/*.cpp src/App.cpp \
                 -fpic -shared \
                 -I src -I include \
+                -I utils \
                 -lGL -lglfw -lGLEW \
                 -Wall \
                 -o $name 
@@ -184,6 +188,7 @@
                 -DWINDOW_GLFW \
                 -fpic -shared \
                 -I src -I include \
+                -I utils \
                 -Wall \
                 -o $name 
             ''; 
@@ -212,6 +217,7 @@
                 modules/TestClay/src/*.cpp src/App.cpp \
                 -fpic -shared \
                 -I src -I include \
+                -I utils \
                 -Wall \
                 -o $name 
             ''; 
@@ -240,6 +246,7 @@
                 modules/MainGUI/src/*.cpp src/App.cpp \
                 -fpic -shared \
                 -I src -I include \
+                -I utils \
                 -Wall \
                 -o $name 
             '';