diff --git a/requirements.txt b/requirements.txt
index 37578e943..ea06b6afa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-docutils==0.16.0  # Compatibility with sphinx-tabs 3.2.0.
+docutils==0.17.0
 libsass==0.20.1
 pygments~=2.6.1
 pygments-csv-lexer~=0.1
@@ -8,4 +8,4 @@ sphinxcontrib-devhelp==1.0.2
 sphinxcontrib-htmlhelp==2.0.1
 sphinxcontrib-serializinghtml==1.1.5
 sphinxcontrib-qthelp==1.0.3
-sphinx-tabs==3.2.0
+sphinx-tabs==3.4.5  # Compatibility with docutils==0.17.0