diff --git a/debian/changelog b/debian/changelog
index 2a4d6f3..4ba0a32 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+rpi-eeprom (5.4-1) buster; urgency=medium
+
+  [ Tim Gover ]
+  * pieeprom-2020-04-09: New beta with experimental PLL tweaks
+
+ -- Serge Schneider <serge@raspberrypi.org>  Thu, 09 Apr 2020 19:12:12 +0100
+
 rpi-eeprom (5.3-1) buster; urgency=medium
 
   [ Andrew Scheller ]
diff --git a/firmware/beta/pieeprom-2020-04-09.bin b/firmware/beta/pieeprom-2020-04-09.bin
new file mode 100644
index 0000000..2b4edeb
Binary files /dev/null and b/firmware/beta/pieeprom-2020-04-09.bin differ
diff --git a/firmware/beta/recovery.bin b/firmware/beta/recovery.bin
index 8a1e66a..52d7b4d 100644
Binary files a/firmware/beta/recovery.bin and b/firmware/beta/recovery.bin differ
diff --git a/firmware/release-notes.md b/firmware/release-notes.md
index 2c0006a..106c48f 100644
--- a/firmware/release-notes.md
+++ b/firmware/release-notes.md
@@ -1,5 +1,9 @@
 # Raspberry Pi4 bootloader EEPROM release notes
 
+## 2020-04-09 Add 2020-04-09 beta firmware.
+    * Experimental tweaks for PLL analog setup to reduced jitter and
+      improve PCIe reliability on slower silicon.
+
 ## 2020-04-07 Promote 2020-03-19 beta firmware to stable.
     * No major bugs reported. Promote this to stable as a step
       towards getting HDMI diagnostics into the default firmware