diff --git a/Mapping_Tools/Mapping_Tools.csproj b/Mapping_Tools/Mapping_Tools.csproj
index 71377212..49ac8f8a 100644
--- a/Mapping_Tools/Mapping_Tools.csproj
+++ b/Mapping_Tools/Mapping_Tools.csproj
@@ -5,8 +5,8 @@
     <TargetFramework>net5.0-windows</TargetFramework>
     <UseWindowsForms>true</UseWindowsForms>
     <UseWPF>true</UseWPF>
-    <AssemblyVersion>1.12.20</AssemblyVersion>
-    <FileVersion>1.12.20</FileVersion>
+    <AssemblyVersion>1.12.21</AssemblyVersion>
+    <FileVersion>1.12.21</FileVersion>
     <AssemblyName>Mapping Tools</AssemblyName>
     <ApplicationIcon>Data\mt_icon.ico</ApplicationIcon>
     <Platforms>AnyCPU;x86;x64</Platforms>