diff --git a/My Project/AssemblyInfo.vb b/My Project/AssemblyInfo.vb
index da14ca5..3b5eb8a 100644
--- a/My Project/AssemblyInfo.vb	
+++ b/My Project/AssemblyInfo.vb	
@@ -70,5 +70,5 @@ Imports System.Windows
 ' by using the '*' as shown below:
 ' <Assembly: AssemblyVersion("1.0.*")> 
 
-<Assembly: AssemblyVersion("1.8.7.1")> 
-<Assembly: AssemblyFileVersion("1.8.7.1")> 
+<Assembly: AssemblyVersion("1.8.7.2")> 
+<Assembly: AssemblyFileVersion("1.8.7.2")> 
diff --git a/ProjectPage/OptionPanel/MachiningOptionPanel/OperationExpander/OperationExpanderViewModel.vb b/ProjectPage/OptionPanel/MachiningOptionPanel/OperationExpander/OperationExpanderViewModel.vb
index 0b5f10b..eceb125 100644
--- a/ProjectPage/OptionPanel/MachiningOptionPanel/OperationExpander/OperationExpanderViewModel.vb
+++ b/ProjectPage/OptionPanel/MachiningOptionPanel/OperationExpander/OperationExpanderViewModel.vb
@@ -182,6 +182,7 @@ Namespace EgtCAM5
                End If
                OnPropertyChanged("ParametersIsExpanded")
             End If
+            Application.Msn.NotifyColleagues(Application.EMITTITLE)
          End Set
       End Property