diff --git a/docs/requirements.txt b/docs/requirements.txt
index ffa1a847..a9fe7ebf 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,3 +1,3 @@
-sphinx==1.5.6
-sphinx_rtd_theme==0.2.4
-breathe==4.6.0
+sphinx==2.0.1
+sphinx_rtd_theme==0.4.3
+breathe==4.13.0