diff --git a/docs/requirements.txt b/docs/requirements.txt
index 322d350..866f6f5 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,5 +1,5 @@
-sphinx==3.4.3
-sphinx_rtd_theme==0.5.1
-readthedocs-sphinx-search==0.1.0
-sphinx_markdown_tables==0.0.15
+Sphinx==5.3.0
+sphinx-rtd-theme==1.1.1
+readthedocs-sphinx-search==0.1.2
+sphinx-markdown-tables==0.0.17
 recommonmark==0.7.1