diff --git a/requirements.txt b/requirements.txt
index 8ad9725..bb5d5fd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 mock==2.0.0
-sphinx_rtd_theme==0.4.1
+sphinx_rtd_theme==0.4.2
 numpy==1.15.2
 future==0.16.0
 networkx==2.2
\ No newline at end of file