diff --git a/doc-requirements.txt b/doc-requirements.txt
index 3f90abe84..45acbd484 100644
--- a/doc-requirements.txt
+++ b/doc-requirements.txt
@@ -1,2 +1,2 @@
-mkdocs
+mkdocs>=1.0
 mkdocs-nature
diff --git a/mkdocs.yml b/mkdocs.yml
index 1415b1062..581b0e8d0 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -12,7 +12,7 @@ theme:
   release: 3.0.dev
   issue_tracker: https://github.com/Python-Markdown/markdown/issues
 
-pages:
+nav:
   - Python-Markdown: index.md
   - Installation: install.md
   - Library Reference: reference.md
diff --git a/test-requirements.txt b/test-requirements.txt
index 12244ab41..0e8680f54 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,5 +1,5 @@
 coverage<4.0
 pyyaml
 pytidylib
-mkdocs
+mkdocs>=1.0
 mkdocs-nature