Benjamin A. Gibbs appeals from the district court’s denial of his request for a certificate of appealability on various issues presented in his 28 U.S.C. § 2255 (2000) motion to vacate his sentence. An appeal may not be taken to this court from the final order in a § 2255 proceeding unless a circuit justice or judge issues a certificate of appealability. 28 U.S.C. § 2253(c)(1) (2000). A certificate of appeal- *955 ability will not issue absent “a substantial showing of the denial of a constitutional right.” 28 U.S.C. § 2253(c)(2) (2000). A prisoner satisfies this standard by demonstrating that jurists of reason would find that his constitutional claims are debatable and that any dispositive procedural rulings by the district court are also debatable or wrong. See Miller-El v. Cockrell, 537 U.S. 322, 336, 123 S.Ct. 1029, 154 L.Ed.2d 931 (2003); Slack v. McDaniel, 529 U.S. 473, 484, 120 S.Ct. 1595, 146 L.Ed.2d 542 (2000); Rose v. Lee, 252 F.3d 676, 683 (4th Cir. 2001).

We have reviewed the record and Gibbs’s submissions and conclude that Gibbs has not made the requisite showing. We therefore deny a certificate of appealability and dismiss the appeal. We further deny Gibbs’s “Request to Expand the Record.” We dispense with oral argument because the facts and legal contentions are adequately presented in the materials before the court and argument would not aid the decisional process.

DISMISSED