diff --git a/manifests/config.pp b/manifests/config.pp
index 840fec54f..24c89c5a1 100644
--- a/manifests/config.pp
+++ b/manifests/config.pp
@@ -221,14 +221,13 @@
   }
 
   if $facts['systemd'] { # systemd fact provided by systemd module
-    systemd::service_limits { "${service_name}.service":
+    systemd::manage_dropin { 'service-90-limits.conf':
+      unit                    => "${service_name}.service",
       selinux_ignore_defaults => ($facts['os']['family'] == 'RedHat'),
-      limits                  => {
+      service_entry           => {
         'LimitNOFILE'    => $file_limit,
         'OOMScoreAdjust' => $oom_score_adj,
       },
-      # The service will be notified when config changes
-      restart_service         => false,
     }
   }
 
diff --git a/metadata.json b/metadata.json
index a0866e3e0..e480e6e1a 100644
--- a/metadata.json
+++ b/metadata.json
@@ -66,7 +66,7 @@
     },
     {
       "name": "puppet/systemd",
-      "version_requirement": ">= 2.10.0 < 8.0.0"
+      "version_requirement": ">= 4.0.0 < 8.0.0"
     }
   ],
   "tags": [
diff --git a/spec/classes/rabbitmq_spec.rb b/spec/classes/rabbitmq_spec.rb
index 41076ef6c..5fc0e814b 100644
--- a/spec/classes/rabbitmq_spec.rb
+++ b/spec/classes/rabbitmq_spec.rb
@@ -125,10 +125,9 @@
           selinux_ignore_defaults = os_facts[:os]['family'] == 'RedHat'
 
           it do
-            is_expected.to contain_systemd__service_limits("#{name}.service").
+            is_expected.to contain_systemd__manage_dropin('service-90-limits.conf').
               with_selinux_ignore_defaults(selinux_ignore_defaults).
-              with_limits({ 'LimitNOFILE' => value, 'OOMScoreAdjust' => 0 }).
-              with_restart_service(false)
+              with_service_entry({ 'LimitNOFILE' => value, 'OOMScoreAdjust' => 0 })
           end
         end
       end
@@ -147,11 +146,7 @@
         context "with oom_score_adj => '#{value}'", if: os_facts['systemd'] do
           let(:params) { { oom_score_adj: value } }
 
-          it do
-            is_expected.to contain_systemd__service_limits("#{name}.service").
-              with_limits({ 'LimitNOFILE' => 16_384, 'OOMScoreAdjust' => value }).
-              with_restart_service(false)
-          end
+          it { is_expected.to contain_systemd__manage_dropin('service-90-limits.conf').with_service_entry({ 'LimitNOFILE' => 16_384, 'OOMScoreAdjust' => value }) }
         end
       end
 
@@ -166,14 +161,11 @@
       end
 
       context 'on systems with systemd', if: os_facts['systemd'] do
-        it do
-          is_expected.to contain_systemd__service_limits("#{name}.service").
-            with_restart_service(false)
-        end
+        it { is_expected.to contain_systemd__manage_dropin('service-90-limits.conf') }
       end
 
       context 'on systems without systemd', unless: os_facts['systemd'] do
-        it { is_expected.not_to contain_systemd__service_limits("#{name}.service") }
+        it { is_expected.not_to contain_systemd__manage_dropin('service-90-limits.conf') }
       end
 
       context 'with admin_enable set to true' do