diff --git a/shaders/fragment.glsl b/shaders/fragment.glsl
index fda39cb..7343580 100644
--- a/shaders/fragment.glsl
+++ b/shaders/fragment.glsl
@@ -1,4 +1,4 @@
-#version 330
+#version 330 core
 
 smooth in vec3 theColor;
 out vec4 frag_colour;
diff --git a/shaders/vertex.glsl b/shaders/vertex.glsl
index 8c0800d..5030dca 100644
--- a/shaders/vertex.glsl
+++ b/shaders/vertex.glsl
@@ -1,4 +1,4 @@
-#version 330
+#version 330 core
 
 uniform mat4 mWorld;
 uniform mat4 mView;