diff --git a/examples/opengl_texture/main.cpp b/examples/opengl_texture/main.cpp
index 885f395b4..cc1feb0a2 100644
--- a/examples/opengl_texture/main.cpp
+++ b/examples/opengl_texture/main.cpp
@@ -175,7 +175,7 @@ private:
 
         const GLchar *const fragment_shader =
                 R"(#version 100
-            precision mediump float;
+            precision highp float;
             varying vec2 frag_position;
             uniform vec3 selected_light_color;
             uniform float iTime;
diff --git a/examples/opengl_texture/main.rs b/examples/opengl_texture/main.rs
index f5582e458..0f557fa4d 100644
--- a/examples/opengl_texture/main.rs
+++ b/examples/opengl_texture/main.rs
@@ -171,7 +171,7 @@ impl DemoRenderer {
                 gl_Position = vec4(position, 0.0, 1.0);
             }"#,
                 r#"#version 100
-            precision mediump float;
+            precision highp float;
             varying vec2 frag_position;
             uniform vec3 selected_light_color;
             uniform float iTime;