diff --git a/build.sh b/build.sh
index 4cc9a52f0..1f26a7534 100755
--- a/build.sh
+++ b/build.sh
@@ -14,6 +14,8 @@ updateFolderMono=$outputFolderLinux/Sonarr.Update
 nuget='tools/nuget/nuget.exe';
 vswhere='tools/vswhere/vswhere.exe';
 
+. ./version.sh
+
 CheckExitCode()
 {
     "$@"
@@ -37,6 +39,17 @@ ProgressEnd()
     echo "##teamcity[blockClosed name='$1']"
 }
 
+UpdateVersionNumber()
+{
+    if [ "$BUILD_NUMBER" != "" ]; then
+        verMajorMinorRevision=`echo "$buildVersion" | cut -d. -f1,2,3`
+        verBuild=`echo "$BUILD_NUMBER" | cut -d. -f4`
+        BUILD_NUMBER=$verMajorMinorRevision.$verBuild
+        echo "##teamcity[buildNumber '$BUILD_NUMBER']"
+        sed -i "s/^[[]assembly: Assembly\(File\|Informational\)\?Version[(]\"[0-9.*]\+\"[)]/[assembly: Assembly\1Version(\"$BUILD_NUMBER\")/g" ./src/**/Properties/AssemblyInfo.cs ./src/Common/CommonVersionInfo.cs
+    fi
+}
+
 CleanFolder()
 {
     local path=$1
@@ -321,6 +334,7 @@ case "$(uname -s)" in
         ;;
 esac
 
+UpdateVersionNumber
 Build
 RunGulp
 PackageMono
diff --git a/version.sh b/version.sh
new file mode 100644
index 000000000..92237f6bc
--- /dev/null
+++ b/version.sh
@@ -0,0 +1,8 @@
+#! /bin/bash
+
+# Increment packageVersion when package scripts change
+packageVersion='3.0.1'
+
+# For now we keep the build version and package version the same
+buildVersion=$packageVersion
+