diff --git a/requirements_dev.txt b/requirements_dev.txt
index 50fad7ce..a875609b 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,3 +1,3 @@
-sphinx==3.5.1
+sphinx==3.5.2
 sphinx-rtd-theme==0.5.1
 mongoengine==0.23.0
\ No newline at end of file