diff --git a/requirements.txt b/requirements.txt
index 8204181..eb0cb55 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,6 +5,6 @@ sphinxcontrib-applehelp==2.0.0
 sphinxcontrib-devhelp==2.0.0
 sphinxcontrib-htmlhelp==2.1.0
 sphinxcontrib-jsmath==1.0.1
-sphinxcontrib-mermaid==1.2.2
+sphinxcontrib-mermaid==1.2.3
 sphinxcontrib-qthelp==2.0.0
 sphinxcontrib-serializinghtml==2.0.0