diff --git a/puppet/zulip/manifests/profile/postgresql.pp b/puppet/zulip/manifests/profile/postgresql.pp
index 6263ac3989..04ca359f30 100644
--- a/puppet/zulip/manifests/profile/postgresql.pp
+++ b/puppet/zulip/manifests/profile/postgresql.pp
@@ -21,6 +21,8 @@ class zulip::profile::postgresql {
   $max_parallel_maintenance_workers = zulipconf('postgresql', 'max_parallel_maintenance_workers', undef)
 
   $wal_buffers = zulipconf('postgresql', 'wal_buffers', undef)
+  $min_wal_size = zulipconf('postgresql', 'min_wal_size', undef)
+  $max_wal_size = zulipconf('postgresql', 'max_wal_size', undef)
   $random_page_cost = zulipconf('postgresql', 'random_page_cost', undef)
   $effective_io_concurrency = zulipconf('postgresql', 'effective_io_concurrency', undef)
 
diff --git a/puppet/zulip/templates/postgresql/14/postgresql.conf.template.erb b/puppet/zulip/templates/postgresql/14/postgresql.conf.template.erb
index ebbbd452d3..b1811dff68 100644
--- a/puppet/zulip/templates/postgresql/14/postgresql.conf.template.erb
+++ b/puppet/zulip/templates/postgresql/14/postgresql.conf.template.erb
@@ -829,6 +829,12 @@ shared_buffers = <%= @shared_buffers %>
 <% unless @wal_buffers.nil? -%>
 wal_buffers = <%= @wal_buffers %>
 <% end -%>
+<% unless @min_wal_size.nil? -%>
+min_wal_size = <%= @min_wal_size %>
+<% end -%>
+<% unless @max_wal_size.nil? -%>
+max_wal_size = <%= @max_wal_size %>
+<% end -%>
 <% unless @random_page_cost.nil? -%>
 random_page_cost = <%= @random_page_cost %>
 <% end -%>
diff --git a/puppet/zulip/templates/postgresql/zulip.conf.template.erb b/puppet/zulip/templates/postgresql/zulip.conf.template.erb
index 0ae01c60d3..3ded2e203b 100644
--- a/puppet/zulip/templates/postgresql/zulip.conf.template.erb
+++ b/puppet/zulip/templates/postgresql/zulip.conf.template.erb
@@ -33,6 +33,12 @@ shared_buffers = <%= @shared_buffers %>
 <% unless @wal_buffers.nil? -%>
 wal_buffers = <%= @wal_buffers %>
 <% end -%>
+<% unless @min_wal_size.nil? -%>
+min_wal_size = <%= @min_wal_size %>
+<% end -%>
+<% unless @max_wal_size.nil? -%>
+max_wal_size = <%= @max_wal_size %>
+<% end -%>
 <% unless @random_page_cost.nil? -%>
 random_page_cost = <%= @random_page_cost %>
 <% end -%>