diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9dc8611bf..c459e1252 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+- Collect ADDR\_ENDP\* registers into an array
+- Add `host_poll_interval` field to EP\_CONTROL registers
+- add EPX\_CONTROL register to USBCTRL\_DPRAM
+- Rebuild with svdtools 0.3.1
+
 ## [0.5.0] [Crates.io](https://crates.io/crates/rp2040-pac/0.5.0) [Github](https://github.com/rp-rs/rp2040-pac/releases/tag/v0.5.0)
 
 - Rebuild with svd2rust 0.29.0, svdtools 0.3.0 (rust version)
diff --git a/svd/rp2040.svd.patched b/svd/rp2040.svd.patched
index 3451f2387..6bc36b0d1 100644
--- a/svd/rp2040.svd.patched
+++ b/svd/rp2040.svd.patched
@@ -3,8 +3,7 @@
   <vendor>Raspberry Pi</vendor>
   <name>RP2040</name>
   <version>0.1</version>
-  <description>
-    Dual-core Arm Cortex-M0+ processor, flexible clock running up to 133 MHz\n
+  <description>Dual-core Arm Cortex-M0+ processor, flexible clock running up to 133 MHz\n
     264KB on-chip SRAM\n
     2 x UART, 2 x SPI controllers, 2 x I2C controllers, 16 x PWM channels\n
     1 x USB 1.1 controller and PHY, with host and device support\n
@@ -15,13 +14,10 @@
     Low-power sleep and dormant modes\n
     Accurate on-chip clock\n
     Temperature sensor\n
-    Accelerated integer and floating-point libraries on-chip
-  </description>
-  <licenseText>
-    Copyright (c) 2020 Raspberry Pi (Trading) Ltd.\n
+    Accelerated integer and floating-point libraries on-chip</description>
+  <licenseText>Copyright (c) 2020 Raspberry Pi (Trading) Ltd.\n
     \n
-    SPDX-License-Identifier: BSD-3-Clause
-  </licenseText>
+    SPDX-License-Identifier: BSD-3-Clause</licenseText>
   <cpu>
     <name>CM0PLUS</name>
     <revision>r0p1</revision>
diff --git a/update.sh b/update.sh
index 8268d6042..63c80e7ff 100755
--- a/update.sh
+++ b/update.sh
@@ -9,7 +9,7 @@ cargo install --version 0.29.0 svd2rust
 cargo install --version 0.10.0  form
 rustup component add rustfmt
 if [ "$SVDTOOLS" == "svdtools" ]; then
-    cargo install --version 0.3.0 svdtools
+    cargo install --version 0.3.1 svdtools
 else
     python3 -mvenv --clear .venv
     source .venv/bin/activate