diff --git a/examples/reporting/requirements.txt b/examples/reporting/requirements.txt
index f9754826..552078da 100644
--- a/examples/reporting/requirements.txt
+++ b/examples/reporting/requirements.txt
@@ -1,5 +1,7 @@
 absl-py>=0.7.1
 bokeh>=1.4.0
+matplotlib >= 3.1.1 ; python_version >= '3.6'
+matplotlib >= 2.2.4 ; python_version < '3.6'
 numpy
 pandas
 pillow>=4.0