diff --git a/requirements.txt b/requirements.txt
index 4c7a4b3..1ac4380 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-ModernGL>=4.1.9
+ModernGL==4.2.0
 pyrr>=0.8.4
 numpy
-PyOpenGL
\ No newline at end of file
+PyOpenGL