diff --git a/pkg/git/options.go b/pkg/git/options.go
index bc943608..64458f5e 100644
--- a/pkg/git/options.go
+++ b/pkg/git/options.go
@@ -78,6 +78,9 @@ func (o AuthOptions) Validate() error {
 			return fmt.Errorf("invalid '%s' auth option: 'password' requires 'username' to be set", o.Transport)
 		}
 	case SSH:
+		if o.Host == "" {
+			return fmt.Errorf("invalid '%s' auth option: 'host' is required", o.Transport)
+		}
 		if len(o.Identity) == 0 {
 			return fmt.Errorf("invalid '%s' auth option: 'identity' is required", o.Transport)
 		}
diff --git a/pkg/git/options_test.go b/pkg/git/options_test.go
index 3ab3ee59..17defd94 100644
--- a/pkg/git/options_test.go
+++ b/pkg/git/options_test.go
@@ -106,10 +106,18 @@ func TestAuthOptions_Validate(t *testing.T) {
 				Transport: HTTPS,
 			},
 		},
+		{
+			name: "SSH transport requires host",
+			opts: AuthOptions{
+				Transport: SSH,
+			},
+			wantErr: "invalid 'ssh' auth option: 'host' is required",
+		},
 		{
 			name: "SSH transport requires identity",
 			opts: AuthOptions{
 				Transport: SSH,
+				Host:      "github.com:22",
 			},
 			wantErr: "invalid 'ssh' auth option: 'identity' is required",
 		},
@@ -117,6 +125,7 @@ func TestAuthOptions_Validate(t *testing.T) {
 			name: "SSH transport requires known_hosts",
 			opts: AuthOptions{
 				Transport: SSH,
+				Host:      "github.com:22",
 				Identity:  []byte(privateKeyFixture),
 			},
 			wantErr: "invalid 'ssh' auth option: 'known_hosts' is required",
@@ -129,6 +138,7 @@ func TestAuthOptions_Validate(t *testing.T) {
 		{
 			name: "Valid SSH transport",
 			opts: AuthOptions{
+				Host:       "github.com:22",
 				Transport:  SSH,
 				Identity:   []byte(privateKeyPassphraseFixture),
 				Password:   "foobar",