diff --git a/Directory.Packages.props b/Directory.Packages.props
index 0076029..d217728 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -76,7 +76,7 @@
     <PackageVersion Include="System.Management.Automation" Version="7.6.4" />
     <!-- Quartz + Quartz.Extensions.Hosting pinned to the same version so the Cron evaluator
          (Data, maintenance windows) and the scheduler host (Scheduler) never drift. -->
-    <PackageVersion Include="Quartz" Version="3.19.0" />
+    <PackageVersion Include="Quartz" Version="3.19.1" />
     <PackageVersion Include="Quartz.Extensions.Hosting" Version="3.19.0" />
   </ItemGroup>
 
diff --git a/src/NodePilot.Scheduler/NodePilot.Scheduler.csproj b/src/NodePilot.Scheduler/NodePilot.Scheduler.csproj
index 86a97f8..d5a5352 100644
--- a/src/NodePilot.Scheduler/NodePilot.Scheduler.csproj
+++ b/src/NodePilot.Scheduler/NodePilot.Scheduler.csproj
@@ -7,6 +7,7 @@
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="Quartz" />
     <PackageReference Include="Quartz.Extensions.Hosting" />
     <PackageReference Include="Microsoft.Data.SqlClient" />
     <PackageReference Include="Microsoft.Data.Sqlite" />