diff --git a/documentation/requirements.txt b/documentation/requirements.txt
index f133043e..14436cb3 100644
--- a/documentation/requirements.txt
+++ b/documentation/requirements.txt
@@ -1,5 +1,5 @@
 beautifulsoup4==4.11.1
-blinker==1.4
+blinker==1.5
 cssmin==0.2.0
 ddt==1.5.0
 docutils==0.18.1