diff --git a/stm32/MK4-Makefile b/stm32/MK4-Makefile
index 4b1f8820..e9ea2d56 100644
--- a/stm32/MK4-Makefile
+++ b/stm32/MK4-Makefile
@@ -19,7 +19,7 @@ LATEST_RELEASE = $(shell ls -t1 ../releases/*-mk4-*.dfu | head -1)
 
 # Our version for this release.
 # - caution, the bootrom will not accept version < 3.0.0
-VERSION_STRING = 5.4.2
+VERSION_STRING = 5.5.0
 
 # keep near top, because defined default target (all)
 include shared.mk
diff --git a/stm32/Q1-Makefile b/stm32/Q1-Makefile
index 945e6729..b6067ca8 100644
--- a/stm32/Q1-Makefile
+++ b/stm32/Q1-Makefile
@@ -16,7 +16,7 @@ BOOTLOADER_DIR = q1-bootloader
 LATEST_RELEASE = $(shell ls -t1 ../releases/*-q1-*.dfu | head -1)
 
 # Our version for this release.
-VERSION_STRING = 1.3.2Q
+VERSION_STRING = 1.4.0Q
 
 # Remove this closer to shipping.
 #$(warning "Forcing debug build")