diff --git a/examples/models/resources/shaders/glsl100/voxel_lighting.fs b/examples/models/resources/shaders/glsl100/voxel_lighting.fs
index ba02ad21e..b9a57cfc9 100644
--- a/examples/models/resources/shaders/glsl100/voxel_lighting.fs
+++ b/examples/models/resources/shaders/glsl100/voxel_lighting.fs
@@ -1,3 +1,4 @@
+#version 100
 #ifdef GL_ES
 precision mediump float;
 #endif
diff --git a/examples/models/resources/shaders/glsl100/voxel_lighting.vs b/examples/models/resources/shaders/glsl100/voxel_lighting.vs
index e8951eb75..165365528 100644
--- a/examples/models/resources/shaders/glsl100/voxel_lighting.vs
+++ b/examples/models/resources/shaders/glsl100/voxel_lighting.vs
@@ -1,3 +1,4 @@
+#version 100
 #ifdef GL_ES
 precision mediump float;
 #endif
diff --git a/examples/models/resources/shaders/glsl120/voxel_lighting.fs b/examples/models/resources/shaders/glsl120/voxel_lighting.fs
index dab171950..eb01f96bb 100644
--- a/examples/models/resources/shaders/glsl120/voxel_lighting.fs
+++ b/examples/models/resources/shaders/glsl120/voxel_lighting.fs
@@ -1,3 +1,4 @@
+#version 120
 // Input from vertex shader
 varying vec3 fragPosition;
 varying vec4 fragColor;
diff --git a/examples/models/resources/shaders/glsl120/voxel_lighting.vs b/examples/models/resources/shaders/glsl120/voxel_lighting.vs
index 2a5930fd9..75163c7f8 100644
--- a/examples/models/resources/shaders/glsl120/voxel_lighting.vs
+++ b/examples/models/resources/shaders/glsl120/voxel_lighting.vs
@@ -1,3 +1,4 @@
+#version 120
 // Input vertex attributes
 attribute vec3 vertexPosition;
 attribute vec3 vertexNormal;