diff --git a/build.ps1 b/build.ps1
index f1808b0..8ac7c13 100755
--- a/build.ps1
+++ b/build.ps1
@@ -1,7 +1,7 @@
 $ErrorActionPreference = "Stop"
 
-$virtualBoxMinVersion = "5.1.10"
-$packerMinVersion = "0.10.0"
+$virtualBoxMinVersion = "6.1.0"
+$packerMinVersion = "1.6.0"
 $vagrantMinVersion = "1.9.0"
 $vagrantreloadMinVersion = "0.0.1"
 $packer = "packer.exe"
diff --git a/build.sh b/build.sh
index f0e8a7b..03f8974 100755
--- a/build.sh
+++ b/build.sh
@@ -1,8 +1,8 @@
 #!/bin/bash
 
-min_vbox_ver="5.1.10"
+min_vbox_ver="6.1.0"
 min_vagrant_ver="1.9.0"
-min_packer_ver="0.10.0"
+min_packer_ver="1.6.0"
 min_vagrantreload_ver="0.0.1"
 min_vagrantvmware_ver="0.0.1"
 min_vagrantparallels_ver="0.0.1"