diff --git a/go.mod b/go.mod
index 72bb8c887a..f999368c05 100644
--- a/go.mod
+++ b/go.mod
@@ -12,7 +12,7 @@ require (
 	github.com/pion/logging v0.2.2
 	github.com/pion/randutil v0.1.0
 	github.com/pion/rtcp v1.2.14
-	github.com/pion/rtp v1.8.3
+	github.com/pion/rtp v1.8.4
 	github.com/pion/sctp v1.8.13
 	github.com/pion/sdp/v3 v3.0.8
 	github.com/pion/srtp/v3 v3.0.1
diff --git a/go.sum b/go.sum
index e7a62d40bb..55dbd1504d 100644
--- a/go.sum
+++ b/go.sum
@@ -60,8 +60,9 @@ github.com/pion/rtcp v1.2.12/go.mod h1:sn6qjxvnwyAkkPzPULIbVqSKI5Dv54Rv7VG0kNxh9
 github.com/pion/rtcp v1.2.14 h1:KCkGV3vJ+4DAJmvP0vaQShsb0xkRfWkO540Gy102KyE=
 github.com/pion/rtcp v1.2.14/go.mod h1:sn6qjxvnwyAkkPzPULIbVqSKI5Dv54Rv7VG0kNxh9L4=
 github.com/pion/rtp v1.8.2/go.mod h1:pBGHaFt/yW7bf1jjWAoUjpSNoDnw98KTMg+jWWvziqU=
-github.com/pion/rtp v1.8.3 h1:VEHxqzSVQxCkKDSHro5/4IUUG1ea+MFdqR2R3xSpNU8=
 github.com/pion/rtp v1.8.3/go.mod h1:pBGHaFt/yW7bf1jjWAoUjpSNoDnw98KTMg+jWWvziqU=
+github.com/pion/rtp v1.8.4 h1:VqNGMNjMDMy9y0d+h+0dfjiWVKUEDQvA963jhJwu200=
+github.com/pion/rtp v1.8.4/go.mod h1:pBGHaFt/yW7bf1jjWAoUjpSNoDnw98KTMg+jWWvziqU=
 github.com/pion/sctp v1.8.5/go.mod h1:SUFFfDpViyKejTAdwD1d/HQsCu+V/40cCs2nZIvC3s0=
 github.com/pion/sctp v1.8.13 h1:YUJR44pWM2FPUhkl8l+vDyF2EDE3aTWtr3c+LDhCRcQ=
 github.com/pion/sctp v1.8.13/go.mod h1:YKSgO/bO/6aOMP9LCie1DuD7m+GamiK2yIiPM6vH+GA=
diff --git a/mediaengine.go b/mediaengine.go
index 04d989cc31..cbdcfb6d7d 100644
--- a/mediaengine.go
+++ b/mediaengine.go
@@ -83,15 +83,15 @@ func (m *MediaEngine) RegisterDefaultCodecs() error {
 		},
 		{
 			RTPCodecCapability: RTPCodecCapability{MimeTypeG722, 8000, 0, "", nil},
-			PayloadType:        9,
+			PayloadType:        rtp.PayloadTypeG722,
 		},
 		{
 			RTPCodecCapability: RTPCodecCapability{MimeTypePCMU, 8000, 0, "", nil},
-			PayloadType:        0,
+			PayloadType:        rtp.PayloadTypePCMU,
 		},
 		{
 			RTPCodecCapability: RTPCodecCapability{MimeTypePCMA, 8000, 0, "", nil},
-			PayloadType:        8,
+			PayloadType:        rtp.PayloadTypePCMA,
 		},
 	} {
 		if err := m.RegisterCodec(codec, RTPCodecTypeAudio); err != nil {