diff --git a/tests/arion-test/default.nix b/tests/arion-test/default.nix
index f8ba4c3..a366309 100644
--- a/tests/arion-test/default.nix
+++ b/tests/arion-test/default.nix
@@ -45,7 +45,7 @@ in
       pkgs.stdenv
     ];
 
-    virtualisation.memorySize = 1024;
+    virtualisation.memorySize = 2048;
     virtualisation.diskSize = 8000;
   };
   testScript = ''
diff --git a/tests/nixos-virtualization-arion-test/test.nix b/tests/nixos-virtualization-arion-test/test.nix
index 371431a..2a472dd 100644
--- a/tests/nixos-virtualization-arion-test/test.nix
+++ b/tests/nixos-virtualization-arion-test/test.nix
@@ -4,7 +4,7 @@ pkgs.nixosTest {
   name = "test-basic-arion-kafka";
   nodes = {
     machine = { ... }: {
-      virtualisation.memorySize = 3000;
+      virtualisation.memorySize = 4096;
       virtualisation.diskSize = 10000;
       imports = [
         ../../nixos-module.nix