diff --git a/requirements.txt b/requirements.txt
index e44c496..b444d06 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,5 +32,5 @@ selenium==3.141.0
 
 # Documentation
 sphinx==2.0.1
-sphinx-rtd-theme==0.4.0
+sphinx-rtd-theme==0.4.3
 pypandoc==1.4