diff --git a/REFERENCE.md b/REFERENCE.md
index c7841703..c81de631 100644
--- a/REFERENCE.md
+++ b/REFERENCE.md
@@ -2646,6 +2646,8 @@ Struct[{
     Optional['ConditionPathExists']       => Variant[Enum[''],Stdlib::Unixpath,Pattern[/^!.*$/],Array[Variant[Enum[''],Stdlib::Unixpath,Pattern[/^!.*$/]],1]],
     Optional['ConditionPathIsDirectory']  => Variant[Enum[''],Stdlib::Unixpath,Pattern[/^!.*$/],Array[Variant[Enum[''],Stdlib::Unixpath,Pattern[/^!.*$/]],1]],
     Optional['ConditionPathIsMountPoint'] => Variant[Enum[''],Stdlib::Unixpath,Pattern[/^!.*$/],Array[Variant[Enum[''],Stdlib::Unixpath,Pattern[/^!.*$/]],1]],
+    Optional['StartLimitIntervalSec']     => String[1],
+    Optional['StartLimitBurst']           => Integer[1],
   }]
 ```
 
diff --git a/spec/type_aliases/systemd_unit_unit_spec.rb b/spec/type_aliases/systemd_unit_unit_spec.rb
index 19e23b9a..f98edd55 100644
--- a/spec/type_aliases/systemd_unit_unit_spec.rb
+++ b/spec/type_aliases/systemd_unit_unit_spec.rb
@@ -114,4 +114,9 @@
   it { is_expected.not_to allow_value({ 'RequiresMountsFor' => 'not/an/absolute/path' }) }
   it { is_expected.not_to allow_value({ 'RequiresMountsFor' => ['not/a/path'] }) }
   it { is_expected.not_to allow_value({ 'RequiresMountsFor' => [] }) }
+
+  it { is_expected.to allow_value({ 'StartLimitIntervalSec' => '12 hours' }) }
+  it { is_expected.to allow_value({ 'StartLimitIntervalSec' => 'infinity' }) }
+  it { is_expected.to allow_value({ 'StartLimitBurst' => 5 }) }
+  it { is_expected.not_to allow_value({ 'StartLimitBurst' => '5' }) }
 end
diff --git a/types/unit/unit.pp b/types/unit/unit.pp
index 308643c9..3d41d324 100644
--- a/types/unit/unit.pp
+++ b/types/unit/unit.pp
@@ -42,5 +42,7 @@
     Optional['ConditionPathExists']       => Variant[Enum[''],Stdlib::Unixpath,Pattern[/^!.*$/],Array[Variant[Enum[''],Stdlib::Unixpath,Pattern[/^!.*$/]],1]],
     Optional['ConditionPathIsDirectory']  => Variant[Enum[''],Stdlib::Unixpath,Pattern[/^!.*$/],Array[Variant[Enum[''],Stdlib::Unixpath,Pattern[/^!.*$/]],1]],
     Optional['ConditionPathIsMountPoint'] => Variant[Enum[''],Stdlib::Unixpath,Pattern[/^!.*$/],Array[Variant[Enum[''],Stdlib::Unixpath,Pattern[/^!.*$/]],1]],
+    Optional['StartLimitIntervalSec']     => String[1],
+    Optional['StartLimitBurst']           => Integer[1],
   }
 ]