diff --git a/data/shaders/chunk.frag b/data/shaders/chunk.frag
index 724589a..48c2b9c 100644
--- a/data/shaders/chunk.frag
+++ b/data/shaders/chunk.frag
@@ -1,6 +1,6 @@
-#version 110
+#version 330
 
-varying vec2 uv_p;
+in vec2 uv_p;
 
 void main(void) {
 	gl_FragColor = vec4(uv_p.xy, 0.5f, 1.0f);
diff --git a/data/shaders/chunk.vert b/data/shaders/chunk.vert
index bd068c1..e66a23f 100644
--- a/data/shaders/chunk.vert
+++ b/data/shaders/chunk.vert
@@ -1,9 +1,9 @@
-#version 110
+#version 330
 
-attribute vec3 position;
-attribute vec3 normal;
-attribute vec2 uv;
-varying vec2 uv_p;
+in vec3 position;
+in vec3 normal;
+in vec2 uv;
+out vec2 uv_p;
 
 uniform mat4 projectionMatrix;
 uniform mat4 viewMatrix;
diff --git a/data/shaders/skybox.frag b/data/shaders/skybox.frag
index 027df6b..29d04bb 100644
--- a/data/shaders/skybox.frag
+++ b/data/shaders/skybox.frag
@@ -1,6 +1,6 @@
-#version 110
+#version 330
 
-varying vec3 cardial_color;
+in vec3 cardial_color;
 
 void main(void) {
 	gl_FragColor = vec4(cardial_color.xyz, 1.0f);
diff --git a/data/shaders/skybox.vert b/data/shaders/skybox.vert
index d92a982..131e605 100644
--- a/data/shaders/skybox.vert
+++ b/data/shaders/skybox.vert
@@ -1,8 +1,8 @@
-#version 110
+#version 330
 
-attribute vec3 position;
-attribute vec3 color;
-varying vec3 cardial_color;
+in vec3 position;
+in vec3 color;
+out vec3 cardial_color;
 
 uniform mat4 projectionMatrix;
 uniform mat4 viewMatrix;