diff --git a/releasenotes/notes/increase-inspector-dnsmasq-lease-7e5b03941f3e161c.yaml b/releasenotes/notes/increase-inspector-dnsmasq-lease-7e5b03941f3e161c.yaml
new file mode 100644
index 00000000..ea3387c9
--- /dev/null
+++ b/releasenotes/notes/increase-inspector-dnsmasq-lease-7e5b03941f3e161c.yaml
@@ -0,0 +1,5 @@
+---
+fixes:
+  - Increase the Inspector DHCP lease time that is provide by dnsmasq to 10
+    minutes.  A shorter lease time may cause the provided IP address to expire
+    and IPA may not add the address to the introspection report.
diff --git a/spec/classes/ironic_inspector_spec.rb b/spec/classes/ironic_inspector_spec.rb
index 5911491a..148214b3 100644
--- a/spec/classes/ironic_inspector_spec.rb
+++ b/spec/classes/ironic_inspector_spec.rb
@@ -141,16 +141,16 @@ describe 'ironic::inspector' do
         'content' => /pxelinux/,
       )
       is_expected.to contain_file('/etc/ironic-inspector/dnsmasq.conf').with_content(
-        /dhcp-range=192.168.0.100,192.168.0.120,2m/
+        /dhcp-range=192.168.0.100,192.168.0.120,10m/
       )
       is_expected.to contain_file('/etc/ironic-inspector/dnsmasq.conf').with_content(
-        /dhcp-range=set:subnet1,192.168.1.100,192.168.1.200,255.255.255.0,2m/
+        /dhcp-range=set:subnet1,192.168.1.100,192.168.1.200,255.255.255.0,10m/
       )
       is_expected.to contain_file('/etc/ironic-inspector/dnsmasq.conf').with_content(
         /dhcp-option=tag:subnet1,option:router,192.168.1.254/
       )
       is_expected.to contain_file('/etc/ironic-inspector/dnsmasq.conf').with_content(
-        /dhcp-range=set:subnet2,192.168.2.100,192.168.2.200,255.255.255.0,2m/
+        /dhcp-range=set:subnet2,192.168.2.100,192.168.2.200,255.255.255.0,10m/
       )
       is_expected.to contain_file('/etc/ironic-inspector/dnsmasq.conf').with_content(
         /dhcp-option=tag:subnet2,option:router,192.168.2.254/
@@ -225,7 +225,7 @@ describe 'ironic::inspector' do
             /dhcp-boot=tag:ipxe,http:\/\/192.168.0.1:3816\/inspector.ipxe/
         )
         is_expected.to contain_file('/etc/ironic-inspector/dnsmasq.conf').with_content(
-            /dhcp-range=192.168.0.100,192.168.0.120,2m/
+            /dhcp-range=192.168.0.100,192.168.0.120,10m/
         )
       end
       it 'should contain file /var/www/httpboot/inspector.ipxe' do
diff --git a/templates/inspector_dnsmasq_http.erb b/templates/inspector_dnsmasq_http.erb
index d68db179..92d14ee8 100644
--- a/templates/inspector_dnsmasq_http.erb
+++ b/templates/inspector_dnsmasq_http.erb
@@ -3,11 +3,11 @@ interface=<%= @dnsmasq_interface %>
 bind-interfaces
 <% @dnsmasq_ip_subnets_real.each do |s| -%>
 <% if s['tag'] and s['netmask'] -%>
-dhcp-range=set:<%= s['tag'] -%>,<%= s['ip_range'] -%>,<%= s['netmask'] -%>,2m
+dhcp-range=set:<%= s['tag'] -%>,<%= s['ip_range'] -%>,<%= s['netmask'] -%>,10m
 <% elsif s['tag'] -%>
-dhcp-range=set:<%= s['tag'] -%>,<%= s['ip_range'] -%>,2m
+dhcp-range=set:<%= s['tag'] -%>,<%= s['ip_range'] -%>,10m
 <% else -%>
-dhcp-range=<%= s['ip_range'] -%>,2m
+dhcp-range=<%= s['ip_range'] -%>,10m
 <% end -%>
 <% if s['gateway'] -%>
 <% if s['tag'] -%>
diff --git a/templates/inspector_dnsmasq_tftp.erb b/templates/inspector_dnsmasq_tftp.erb
index 3ec03dfa..bf639f69 100644
--- a/templates/inspector_dnsmasq_tftp.erb
+++ b/templates/inspector_dnsmasq_tftp.erb
@@ -3,11 +3,11 @@ interface=<%= @dnsmasq_interface %>
 bind-interfaces
 <% @dnsmasq_ip_subnets_real.each do |s| -%>
 <% if s['tag'] and s['netmask'] -%>
-dhcp-range=set:<%= s['tag'] -%>,<%= s['ip_range'] -%>,<%= s['netmask'] -%>,2m
+dhcp-range=set:<%= s['tag'] -%>,<%= s['ip_range'] -%>,<%= s['netmask'] -%>,10m
 <% elsif s['tag'] -%>
-dhcp-range=set:<%= s['tag'] -%>,<%= s['ip_range'] -%>,2m
+dhcp-range=set:<%= s['tag'] -%>,<%= s['ip_range'] -%>,10m
 <% else -%>
-dhcp-range=<%= s['ip_range'] -%>,2m
+dhcp-range=<%= s['ip_range'] -%>,10m
 <% end -%>
 <% if s['gateway'] -%>
 <% if s['tag'] -%>