diff --git a/requirements.txt b/requirements.txt
index 2663a587..6250e116 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -50,7 +50,7 @@ urllib3==1.26.18
     # via requests
 webencodings==0.5.1
     # via html5lib
-xml2rfc==3.12.4
+xml2rfc==3.30.1
     # via -r requirements.in
 
 # The following packages are considered to be unsafe in a requirements file: