Bump mkdocs-material from 8.1.7 to 8.1.9 (#257)

diff --git a/requirements.txt b/requirements.txt
index a52bc95826a96c011a51c4855964a549a80ff783..bb1c20f32d31f90b9dc27b492e318133fc2eca6c 100644 (file)
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,5 +2,5 @@ Markdown==3.3.6
 mike==1.1.2
 mkdocs-git-revision-date-plugin==0.3.1
 mkdocs-macros-plugin==0.6.3 
-mkdocs-material==8.1.7
+mkdocs-material==8.1.9
 mkdocs==1.2.3