diff --git a/bogo_shim_test.go b/bogo_shim_test.go
index f481a5a..ce01852 100644
--- a/bogo_shim_test.go
+++ b/bogo_shim_test.go
@@ -37,6 +37,9 @@ var (
 	maxVersion    = flag.Int("max-version", VersionTLS13, "")
 	expectVersion = flag.Int("expect-version", 0, "")
 
+	noTLS1  = flag.Bool("no-tls1", false, "")
+	noTLS11 = flag.Bool("no-tls11", false, "")
+	noTLS12 = flag.Bool("no-tls12", false, "")
 	noTLS13 = flag.Bool("no-tls13", false, "")
 
 	requireAnyClientCertificate = flag.Bool("require-any-client-certificate", false, "")
@@ -116,8 +119,29 @@ func bogoShim() {
 
 		ClientSessionCache: NewLRUClientSessionCache(0),
 	}
-	if *noTLS13 && cfg.MaxVersion == VersionTLS13 {
+
+	if *noTLS1 {
+		cfg.MinVersion = VersionTLS11
+		if *noTLS11 {
+			cfg.MinVersion = VersionTLS12
+			if *noTLS12 {
+				cfg.MinVersion = VersionTLS13
+				if *noTLS13 {
+					log.Fatalf("no supported versions enabled")
+				}
+			}
+		}
+	} else if *noTLS13 {
 		cfg.MaxVersion = VersionTLS12
+		if *noTLS12 {
+			cfg.MaxVersion = VersionTLS11
+			if *noTLS11 {
+				cfg.MaxVersion = VersionTLS10
+				if *noTLS1 {
+					log.Fatalf("no supported versions enabled")
+				}
+			}
+		}
 	}
 
 	if *advertiseALPN != "" {