diff --git a/modules/reference/appvms/business.nix b/modules/reference/appvms/business.nix
index 2fe8908bb..f495ecc37 100644
--- a/modules/reference/appvms/business.nix
+++ b/modules/reference/appvms/business.nix
@@ -42,7 +42,7 @@ in
     ];
   # TODO create a repository of mac addresses to avoid conflicts
   macAddress = "02:00:00:03:10:01";
-  ramMb = 3072;
+  ramMb = 6144;
   cores = 4;
   extraModules = [
     {
diff --git a/modules/reference/appvms/chromium.nix b/modules/reference/appvms/chromium.nix
index 2b7094720..e1d02e748 100644
--- a/modules/reference/appvms/chromium.nix
+++ b/modules/reference/appvms/chromium.nix
@@ -39,7 +39,7 @@ in
     ];
   # TODO create a repository of mac addresses to avoid conflicts
   macAddress = "02:00:00:03:05:01";
-  ramMb = 3072;
+  ramMb = 6144;
   cores = 4;
   extraModules = [
     {