diff --git a/layers/meta-opentrons/conf/distro/opentrons.conf b/layers/meta-opentrons/conf/distro/opentrons.conf
index c8fbcec5..b6b13d47 100644
--- a/layers/meta-opentrons/conf/distro/opentrons.conf
+++ b/layers/meta-opentrons/conf/distro/opentrons.conf
@@ -9,7 +9,7 @@ DISTRO_FEATURES_BACKFILL_CONSIDERED += "sysvinit"
 VIRTUAL-RUNTIME_init_manager = "systemd"
 VIRTUAL-RUNTIME_initscripts = "systemd-compat-units"
 
-PREFERRED_VERSION_icu = "69.1"
+PREFERRED_VERSION_icu = "73.1"
 PREFERRED_VERSION_c-ares = "1.17.1"
 PREFERRED_VERSION_libical = "3.0.10"
 PREFERRED_VERSION_hidapi = "0.11.2"