diff --git a/charts/mastodon/values.yaml b/charts/mastodon/values.yaml
index 788e351..4f50535 100644
--- a/charts/mastodon/values.yaml
+++ b/charts/mastodon/values.yaml
@@ -248,7 +248,7 @@ ingress:
       hosts:
         - mastodon.local
 
-# -- https://github.com/bitnami/charts/tree/master/bitnami/elasticsearch#parameters
+# -- https://github.com/bitnami/charts/tree/main/bitnami/elasticsearch#parameters
 elasticsearch:
   # `false` will disable full-text search
   #
@@ -261,7 +261,7 @@ elasticsearch:
   image:
     tag: 7
 
-# https://github.com/bitnami/charts/tree/master/bitnami/postgresql#parameters
+# https://github.com/bitnami/charts/tree/main/bitnami/postgresql#parameters
 postgresql:
   # -- disable if you want to use an existing db; in which case the values below
   # must match those of that external postgres instance
@@ -273,7 +273,7 @@ postgresql:
     username: mastodon
     # you must set a password; the password generated by the postgresql chart will
     # be rotated on each upgrade:
-    # https://github.com/bitnami/charts/tree/master/bitnami/postgresql#upgrade
+    # https://github.com/bitnami/charts/tree/main/bitnami/postgresql#upgrade
     password: ""
     # Set the password for the "postgres" admin user
     # set this to the same value as above if you've previously installed
@@ -283,7 +283,7 @@ postgresql:
     # with a key of password set to the password you want
     existingSecret: ""
 
-# https://github.com/bitnami/charts/tree/master/bitnami/redis#parameters
+# https://github.com/bitnami/charts/tree/main/bitnami/redis#parameters
 redis:
   # disable if you want to use an existing redis instance; in which case the
   # values below must match those of that external redis instance