diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index c7b4556..ef77263 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,5 +1,5 @@
 {
-    "hardware/backplane": "0.4.0",
+    "hardware/backplane": "0.5.0",
     "hardware/charger-module": "0.6.0",
     "hardware/pi-pico-mgmt-module": "0.5.0",
     "hardware/rp2040-mgmt-module": "0.1.0"
diff --git a/hardware/backplane/CHANGELOG.md b/hardware/backplane/CHANGELOG.md
index f000957..4c91675 100644
--- a/hardware/backplane/CHANGELOG.md
+++ b/hardware/backplane/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## [0.5.0](https://github.com/mikesmitty/pdusb/compare/backplane-v0.4.0...backplane-v0.5.0) (2024-07-01)
+
+
+### Features
+
+* add swd circuits for firmware updates ([3fe7ef4](https://github.com/mikesmitty/pdusb/commit/3fe7ef4b14e35cb9b6d7b5f8920c50c7c5d31d5d))
+* add switch to access onboard rp2040 through charge plug ([3fe7ef4](https://github.com/mikesmitty/pdusb/commit/3fe7ef4b14e35cb9b6d7b5f8920c50c7c5d31d5d))
+
 ## [0.4.0](https://github.com/mikesmitty/pdusb/compare/backplane-v0.3.0...backplane-v0.4.0) (2024-06-29)