diff --git a/docs/requirements.txt b/docs/requirements.txt
index 5a76a29f..466852b3 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -4,4 +4,4 @@ llvmlite==0.34.0
 sphinx==3.5.4
 numpydoc==1.1.0
 sphinx-rtd-theme==0.5.2
-matplotlib>=3.0.0
\ No newline at end of file
+matplotlib==3.0.0
\ No newline at end of file