diff --git a/cloud/agent/e2e/main_test.go b/cloud/agent/e2e/main_test.go
index 100553e..27bcd03 100644
--- a/cloud/agent/e2e/main_test.go
+++ b/cloud/agent/e2e/main_test.go
@@ -166,8 +166,8 @@
 		t.Fatal(err)
 	}
 	defer os.Remove(rootDisk.Name())
-	// Create a 5GiB sparse root disk
-	if err := unix.Ftruncate(int(rootDisk.Fd()), 5*GiB); err != nil {
+	// Create a 10GiB sparse root disk
+	if err := unix.Ftruncate(int(rootDisk.Fd()), 10*GiB); err != nil {
 		t.Fatalf("ftruncate failed: %v", err)
 	}
 
diff --git a/cloud/agent/install.go b/cloud/agent/install.go
index 3468cc9..c8583ac 100644
--- a/cloud/agent/install.go
+++ b/cloud/agent/install.go
@@ -128,7 +128,7 @@
 
 	installParams := osimage.Params{
 		PartitionSize: osimage.PartitionSizeInfo{
-			ESP:    128,
+			ESP:    384,
 			System: 4096,
 			Data:   128,
 		},