diff --git a/integration/build/build_test.go b/integration/build/build_test.go
index 4fa0db5e95..5da3a294a1 100644
--- a/integration/build/build_test.go
+++ b/integration/build/build_test.go
@@ -524,6 +524,7 @@ RUN for g in $(seq 0 8); do dd if=/dev/urandom of=rnd bs=1K count=1 seek=$((1024
 }
 
 func TestBuildWCOWSandboxSize(t *testing.T) {
+	t.Skip("FLAKY_TEST that needs to be fixed; see https://github.com/moby/moby/issues/42743")
 	skip.If(t, testEnv.DaemonInfo.OSType != "windows", "only Windows has sandbox size control")
 	ctx := context.TODO()
 	defer setupTest(t)()