diff --git a/src/PatchOrchestrationApplication/CoordinatorService/src/PackageRoot/ServiceManifest.xml b/src/PatchOrchestrationApplication/CoordinatorService/src/PackageRoot/ServiceManifest.xml
index 545aa6e..bc640b2 100644
--- a/src/PatchOrchestrationApplication/CoordinatorService/src/PackageRoot/ServiceManifest.xml
+++ b/src/PatchOrchestrationApplication/CoordinatorService/src/PackageRoot/ServiceManifest.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <ServiceManifest Name="CoordinatorServicePkg"
-                 Version="1.4.2"
+                 Version="1.4.3"
                  xmlns="http://schemas.microsoft.com/2011/01/fabric"
                  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
                  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
@@ -11,7 +11,7 @@
   </ServiceTypes>
 
   <!-- Code package is your service executable. -->
-  <CodePackage Name="Code" Version="1.4.2">
+  <CodePackage Name="Code" Version="1.4.3">
     <EntryPoint>
       <ExeHost>
         <Program>CoordinatorService.exe</Program>
@@ -21,7 +21,7 @@
 
   <!-- Config package is the contents of the Config directoy under PackageRoot that contains an 
        independently-updateable and versioned set of custom configuration settings for your service. -->
-  <ConfigPackage Name="Config" Version="1.4.2" />
+  <ConfigPackage Name="Config" Version="1.4.3" />
 
   <Resources>
     <Endpoints>
diff --git a/src/PatchOrchestrationApplication/CoordinatorService/src/RepairManagerHelper.cs b/src/PatchOrchestrationApplication/CoordinatorService/src/RepairManagerHelper.cs
index dd06d7b..4def4fd 100644
--- a/src/PatchOrchestrationApplication/CoordinatorService/src/RepairManagerHelper.cs
+++ b/src/PatchOrchestrationApplication/CoordinatorService/src/RepairManagerHelper.cs
@@ -553,10 +553,14 @@ internal async Task PrepareRepairTasks(CancellationToken cancellationToken)
                     {
                         if (claimedTaskList.Any())
                         {
-                            RepairTask lastCompletedTask = (await this.GetCompletedRepairTasks(nodeList, cancellationToken))?.Aggregate(
-                                    (curMax, task) => (task.CompletedTimestamp > curMax.CompletedTimestamp ? task : curMax));
+                                IList<RepairTask> completedTasks = await this.GetCompletedRepairTasks(nodeList, cancellationToken);
+                                TimeSpan? timePastAfterCompletedTask = null;
+                                if (completedTasks.Any())
+                                {
+                                    RepairTask lastCompletedTask = completedTasks.Aggregate((curMax, task) => (task.CompletedTimestamp > curMax.CompletedTimestamp ? task : curMax));
+                                    timePastAfterCompletedTask = DateTime.UtcNow - lastCompletedTask?.CompletedTimestamp;
+                                }
 
-                            TimeSpan? timePastAfterCompletedTask = DateTime.UtcNow - lastCompletedTask?.CompletedTimestamp;
 
                             if (!timePastAfterCompletedTask.HasValue ||
                                  timePastAfterCompletedTask.Value > MinWaitTimeBetweenNodes)
diff --git a/src/PatchOrchestrationApplication/NodeAgentService/src/PackageRoot/ServiceManifest.xml b/src/PatchOrchestrationApplication/NodeAgentService/src/PackageRoot/ServiceManifest.xml
index 923d2c9..642eb65 100644
--- a/src/PatchOrchestrationApplication/NodeAgentService/src/PackageRoot/ServiceManifest.xml
+++ b/src/PatchOrchestrationApplication/NodeAgentService/src/PackageRoot/ServiceManifest.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <ServiceManifest Name="NodeAgentServicePkg"
-                 Version="1.4.2"
+                 Version="1.4.3"
                  xmlns="http://schemas.microsoft.com/2011/01/fabric"
                  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
                  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
@@ -11,7 +11,7 @@
   </ServiceTypes>
 
   <!-- Code package is your service executable. -->
-  <CodePackage Name="Code" Version="1.4.2">
+  <CodePackage Name="Code" Version="1.4.3">
     <SetupEntryPoint>
       <ExeHost>
         <Program>SetupEntryPoint.bat</Program>
@@ -27,7 +27,7 @@
 
   <!-- Config package is the contents of the Config directoy under PackageRoot that contains an 
        independently-updateable and versioned set of custom configuration settings for your service. -->
-  <ConfigPackage Name="Config" Version="1.4.2" />
+  <ConfigPackage Name="Config" Version="1.4.3" />
 
   <Resources>
     <Endpoints>
diff --git a/src/PatchOrchestrationApplication/PatchOrchestrationApplication/ApplicationPackageRoot/ApplicationManifest.xml b/src/PatchOrchestrationApplication/PatchOrchestrationApplication/ApplicationPackageRoot/ApplicationManifest.xml
index da6d88f..f3d5153 100644
--- a/src/PatchOrchestrationApplication/PatchOrchestrationApplication/ApplicationPackageRoot/ApplicationManifest.xml
+++ b/src/PatchOrchestrationApplication/PatchOrchestrationApplication/ApplicationPackageRoot/ApplicationManifest.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<ApplicationManifest xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" ApplicationTypeName="PatchOrchestrationApplicationType" ApplicationTypeVersion="1.4.2" xmlns="http://schemas.microsoft.com/2011/01/fabric">
+<ApplicationManifest xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" ApplicationTypeName="PatchOrchestrationApplicationType" ApplicationTypeVersion="1.4.3" xmlns="http://schemas.microsoft.com/2011/01/fabric">
   <Parameters>
     <Parameter Name="CoordinatorService_MinReplicaSetSize" DefaultValue="3" />
     <Parameter Name="CoordinatorService_TargetReplicaSetSize" DefaultValue="3" />
@@ -52,7 +52,7 @@
        should match the Name and Version attributes of the ServiceManifest element defined in the 
        ServiceManifest.xml file. -->
   <ServiceManifestImport>
-    <ServiceManifestRef ServiceManifestName="CoordinatorServicePkg" ServiceManifestVersion="1.4.2" />
+    <ServiceManifestRef ServiceManifestName="CoordinatorServicePkg" ServiceManifestVersion="1.4.3" />
     <ConfigOverrides>
       <ConfigOverride Name="Config">
         <Settings>
@@ -66,7 +66,7 @@
     </ConfigOverrides>
   </ServiceManifestImport>
   <ServiceManifestImport>
-    <ServiceManifestRef ServiceManifestName="NodeAgentServicePkg" ServiceManifestVersion="1.4.2" />
+    <ServiceManifestRef ServiceManifestName="NodeAgentServicePkg" ServiceManifestVersion="1.4.3" />
     <ConfigOverrides>
       <ConfigOverride Name="Config">
         <Settings>
diff --git a/src/PatchOrchestrationApplication/PatchOrchestrationApplication/NugetPackage/PatchOrchestrationApplicationPkg.nuproj b/src/PatchOrchestrationApplication/PatchOrchestrationApplication/NugetPackage/PatchOrchestrationApplicationPkg.nuproj
index e50cbc5..7aa0deb 100644
--- a/src/PatchOrchestrationApplication/PatchOrchestrationApplication/NugetPackage/PatchOrchestrationApplicationPkg.nuproj
+++ b/src/PatchOrchestrationApplication/PatchOrchestrationApplication/NugetPackage/PatchOrchestrationApplicationPkg.nuproj
@@ -16,7 +16,7 @@
   <PropertyGroup Label="Configuration">
     <Id>ServiceFabric.PatchOrchestrationApplication</Id>
     <Title>ServiceFabric.PatchOrchestrationApplication</Title>
-    <Version>1.4.2</Version>
+    <Version>1.4.3</Version>
     <Authors>brkhande;raunakp</Authors>
     <Owners>brkhande;raunakp</Owners>
     <Description>This package contains Service Fabric Patch Orchestration Application.</Description>
diff --git a/src/PatchOrchestrationApplication/PatchOrchestrationApplication/Scripts/Deploy.ps1 b/src/PatchOrchestrationApplication/PatchOrchestrationApplication/Scripts/Deploy.ps1
index 91902d1..874218c 100644
--- a/src/PatchOrchestrationApplication/PatchOrchestrationApplication/Scripts/Deploy.ps1
+++ b/src/PatchOrchestrationApplication/PatchOrchestrationApplication/Scripts/Deploy.ps1
@@ -11,7 +11,7 @@ Param
     $ImageStoreConnectionString = "fabric:ImageStore",
 
     [string]
-    $ApplicationVersion = "1.4.2",
+    $ApplicationVersion = "1.4.3",
 	
     [hashtable]
     $ApplicationParameters = @{}
diff --git a/src/PatchOrchestrationApplication/PatchOrchestrationApplication/Scripts/Undeploy.ps1 b/src/PatchOrchestrationApplication/PatchOrchestrationApplication/Scripts/Undeploy.ps1
index 2903a5d..caf0baf 100644
--- a/src/PatchOrchestrationApplication/PatchOrchestrationApplication/Scripts/Undeploy.ps1
+++ b/src/PatchOrchestrationApplication/PatchOrchestrationApplication/Scripts/Undeploy.ps1
@@ -8,7 +8,7 @@ Param
     $ImageStoreConnectionString = "fabric:ImageStore",
 
     [string]
-    $ApplicationVersion = "1.4.2"
+    $ApplicationVersion = "1.4.3"
 )
 
 Remove-ServiceFabricApplication -ApplicationName fabric:/PatchOrchestrationApplication -Force
diff --git a/src/PatchOrchestrationApplication/PatchOrchestrationApplication/Scripts/Upgrade.ps1 b/src/PatchOrchestrationApplication/PatchOrchestrationApplication/Scripts/Upgrade.ps1
index d880da1..b076059 100644
--- a/src/PatchOrchestrationApplication/PatchOrchestrationApplication/Scripts/Upgrade.ps1
+++ b/src/PatchOrchestrationApplication/PatchOrchestrationApplication/Scripts/Upgrade.ps1
@@ -11,7 +11,7 @@ Param
     $ImageStoreConnectionString = "fabric:ImageStore",
 
     [string]
-    $ApplicationVersion = "1.4.2",
+    $ApplicationVersion = "1.4.3",
 	
     [hashtable]
     $ApplicationParameters = @{},
diff --git a/src/PatchOrchestrationApplication/TelemetryLib/src/TelemetryEvents.cs b/src/PatchOrchestrationApplication/TelemetryLib/src/TelemetryEvents.cs
index 8693f04..20dc19e 100644
--- a/src/PatchOrchestrationApplication/TelemetryLib/src/TelemetryEvents.cs
+++ b/src/PatchOrchestrationApplication/TelemetryLib/src/TelemetryEvents.cs
@@ -27,7 +27,7 @@ public class TelemetryEvents
         // Every time a new version of application would be release, manually update this version.
         // This application version is used for telemetry
         // For consistency keep this applicaiton version same as application version from application manifest.
-        private const string ApplicationVersion = "1.4.2";
+        private const string ApplicationVersion = "1.4.3";
 
         public TelemetryEvents(FabricClient fabricClient, ITelemetryEventSource eventSource)
         {
diff --git a/src/properties/common.props b/src/properties/common.props
index 83447f4..0dfb1dc 100644
--- a/src/properties/common.props
+++ b/src/properties/common.props
@@ -25,7 +25,7 @@
       1. Assembly info
       2. File info
       3. Not yet in Telemetry of windows -->
-    <VersionPrefix>1.4.2</VersionPrefix>
+    <VersionPrefix>1.4.3</VersionPrefix>
     <Company>Microsoft</Company>
     <!--GenerateAssemblyInfo>false</GenerateAssemblyInfo-->
   </PropertyGroup>