diff --git a/README.rst b/README.rst
index ced4b00..1222ee4 100644
--- a/README.rst
+++ b/README.rst
@@ -21,7 +21,7 @@ Requirements
 ============
 
 - Chef 15 or higher
-- Chef Workstation 20.8.111 for testing (also includes Berkshelf for
+- Chef Workstation 21.2.303 for testing (also includes Berkshelf for
   cookbook dependency resolution)
 
 Cookbooks
diff --git a/metadata.rb b/metadata.rb
index f4c915b..5d38192 100644
--- a/metadata.rb
+++ b/metadata.rb
@@ -14,7 +14,7 @@ depends 'openstackclient'
 depends 'openstack-common', '>= 20.0.0'
 depends 'openstack-dns', '>= 20.0.0'
 depends 'openstack-image', '>= 20.0.0'
-depends 'resolver'
+depends 'resolver', '>= 3.0.0'
 
 issues_url 'https://launchpad.net/openstack-chef'
 source_url 'https://opendev.org/openstack/cookbook-openstack-integration-test'
diff --git a/recipes/dns.rb b/recipes/dns.rb
index b5d9d05..7555d28 100644
--- a/recipes/dns.rb
+++ b/recipes/dns.rb
@@ -32,10 +32,10 @@ end
 
 # Match what opendev/base-jobs uses for unbound:
 # https://opendev.org/opendev/base-jobs/src/branch/master/roles/configure-unbound/defaults/main.yaml#L1-L7
-node.default['resolver']['search'] = []
-node.default['resolver']['nameservers'] = %w(1.0.0.1 8.8.8.8)
 
-include_recipe 'resolver'
+resolver_config '/etc/resolv.conf' do
+  nameservers %w(1.0.0.1 8.8.8.8)
+end
 
 # Disable and stop unbound so we can properly test Designate
 service 'unbound' do
diff --git a/spec/dns-rhel_spec.rb b/spec/dns-rhel_spec.rb
index fd29525..df01972 100644
--- a/spec/dns-rhel_spec.rb
+++ b/spec/dns-rhel_spec.rb
@@ -10,13 +10,10 @@ describe 'openstack-integration-test::dns' do
 
     include_context 'tempest-stubs'
 
-    [
-      /^nameserver 1.0.0.1$/,
-      /^nameserver 8.8.8.8$/,
-    ].each do |line|
-      it do
-        expect(chef_run).to render_file('/etc/resolv.conf').with_content(line)
-      end
+    it do
+      expect(chef_run).to set_resolver_config('/etc/resolv.conf').with(
+        nameservers: %w(1.0.0.1 8.8.8.8)
+      )
     end
 
     it do
diff --git a/spec/dns_spec.rb b/spec/dns_spec.rb
index f51289b..7f9877b 100644
--- a/spec/dns_spec.rb
+++ b/spec/dns_spec.rb
@@ -15,13 +15,10 @@ describe 'openstack-integration-test::dns' do
       expect(chef_run).to disable_service('systemd-resolved')
     end
 
-    [
-      /^nameserver 1.0.0.1$/,
-      /^nameserver 8.8.8.8$/,
-    ].each do |line|
-      it do
-        expect(chef_run).to render_file('/etc/resolv.conf').with_content(line)
-      end
+    it do
+      expect(chef_run).to set_resolver_config('/etc/resolv.conf').with(
+        nameservers: %w(1.0.0.1 8.8.8.8)
+      )
     end
 
     it do