diff --git a/Installer/build.ps1 b/Installer/build.ps1
index 0513e0dc..d4a49df7 100644
--- a/Installer/build.ps1
+++ b/Installer/build.ps1
@@ -65,7 +65,7 @@ msbuild ZitiDesktopEdge.sln /property:Configuration=Release
 
 Pop-Location
 
-$ADV_INST_HOME = "C:\Program Files (x86)\Caphyon\Advanced Installer 20.3"
+$ADV_INST_HOME = "C:\Program Files (x86)\Caphyon\Advanced Installer 20.3.1"
 $ADVINST = "${ADV_INST_HOME}\bin\x86\AdvancedInstaller.com"
 $ADVPROJECT = "${scriptPath}\ZitiDesktopEdge.aip"
 $installerVersion=(Get-Content -Path ${scriptPath}\..\version)
diff --git a/Installer/reg.bat b/Installer/reg.bat
index 61d013e2..ac392e2b 100644
--- a/Installer/reg.bat
+++ b/Installer/reg.bat
@@ -1 +1 @@
-"C:\Program Files (x86)\Caphyon\Advanced Installer 20.3\bin\x86\AdvancedInstaller.com" /register %1
+"C:\Program Files (x86)\Caphyon\Advanced Installer 20.3.1\bin\x86\AdvancedInstaller.com" /register %1
diff --git a/release-notes.md b/release-notes.md
index f73f42ff..b525c331 100644
--- a/release-notes.md
+++ b/release-notes.md
@@ -10,7 +10,7 @@
 * none
 
 ## Dependency Updates
-* Advanced Installer updated to 20.3
+* Advanced Installer updated to 20.3.1
 * ziti-tunnel-sdk-c updated to v0.20.20/c sdk v0.31.0
 
 # Release 2.1.13