diff --git a/tests/cursor.c b/tests/cursor.c
index c8ca39de..4cc74ad5 100644
--- a/tests/cursor.c
+++ b/tests/cursor.c
@@ -47,6 +47,7 @@
 #define CURSOR_FRAME_COUNT 60
 
 static const char* vertex_shader_text =
+"#version 110\n"
 "uniform mat4 MVP;\n"
 "attribute vec2 vPos;\n"
 "void main()\n"
@@ -55,6 +56,7 @@ static const char* vertex_shader_text =
 "}\n";
 
 static const char* fragment_shader_text =
+"#version 110\n"
 "void main()\n"
 "{\n"
 "    gl_FragColor = vec4(1.0);\n"
diff --git a/tests/sharing.c b/tests/sharing.c
index a00c56aa..e5ffadc9 100644
--- a/tests/sharing.c
+++ b/tests/sharing.c
@@ -38,6 +38,7 @@
 #include "linmath.h"
 
 static const char* vertex_shader_text =
+"#version 110\n"
 "uniform mat4 MVP;\n"
 "attribute vec2 vPos;\n"
 "varying vec2 texcoord;\n"
@@ -48,6 +49,7 @@ static const char* vertex_shader_text =
 "}\n";
 
 static const char* fragment_shader_text =
+"#version 110\n"
 "uniform sampler2D texture;\n"
 "uniform vec3 color;\n"
 "varying vec2 texcoord;\n"