diff --git a/requirements.txt b/requirements.txt
index bec2c96e70..c551ac166b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ libmozdata==0.1.82
 lmdb==1.3.0
 markdown2==2.4.3
 matplotlib==3.5.3
-mercurial==6.2.1
+mercurial==6.3.3
 microannotate==0.0.24
 mozci==2.2.1
 numpy==1.22.4