diff --git a/docs/requirements-mkdocs.txt b/docs/requirements-mkdocs.txt
index 6fec332cad..cc7db0dd9f 100644
--- a/docs/requirements-mkdocs.txt
+++ b/docs/requirements-mkdocs.txt
@@ -1,3 +1,3 @@
-mkdocs-material=="9.*"
+mkdocs-material==9.*
 mkdocs-git-revision-date-localized-plugin
 mkdocs-redirects==1.2.0