diff --git a/packer/templates/windows_2008_r2.json b/packer/templates/windows_2008_r2.json
index f3814c2..27dffbc 100644
--- a/packer/templates/windows_2008_r2.json
+++ b/packer/templates/windows_2008_r2.json
@@ -185,7 +185,7 @@
     {
       "type": "powershell",
       "inline": [
-        "$env:chocolateyVersion = '0.10.8'; iex ((new-object net.webclient).DownloadString('https://chocolatey.org/install.ps1'))"
+        "$env:chocolateyVersion = '0.10.8'; [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; iex ((new-object net.webclient).DownloadString('https://chocolatey.org/install.ps1'))"
       ],
       "pause_before": "60s"
     },
diff --git a/scripts/installs/install_chocolatey.ps1 b/scripts/installs/install_chocolatey.ps1
index c726122..5065bda 100644
--- a/scripts/installs/install_chocolatey.ps1
+++ b/scripts/installs/install_chocolatey.ps1
@@ -1,5 +1,6 @@
 $ChocoInstallPath = "$env:SystemDrive\ProgramData\Chocolatey\bin"
 
 if (!(Test-Path $ChocoInstallPath)) {
+  [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
   iex ((new-object net.webclient).DownloadString('https://chocolatey.org/install.ps1'))
 }
\ No newline at end of file