diff --git a/alire.toml b/alire.toml
index 46b6309..66de801 100644
--- a/alire.toml
+++ b/alire.toml
@@ -1,6 +1,6 @@
 name = "rp2040_hal"
 description = "Drivers and HAL for the RP2040 micro-controller family"
-version = "2.3.0"
+version = "2.4.0"
 licenses = "BSD-3-Clause"
 
 authors = ["Jeremy Grosser"]
@@ -10,10 +10,10 @@ tags = ["embedded", "nostd", "rp2040", "raspberrypi", "drivers"]
 website = "https://pico-doc.synack.me/"
 
 [[depends-on]]
-cortex_m = "~0.5"
-atomic = "~0.5"
-hal = "~0.3"
-usb_embedded = "~0.3"
+cortex_m = "^1"
+atomic = "^1"
+hal = "^1"
+usb_embedded = "^1"
 gnat_arm_elf = "^14"
 
 [configuration.variables]