diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index c8b381d..495331d 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -85,8 +85,13 @@
 PLATFORM_BASE_SDK_EXTENSION_VERSION := 1
 .KATI_READONLY := PLATFORM_BASE_SDK_EXTENSION_VERSION
 
-# This is are all known codenames starting from Q.
-PLATFORM_VERSION_KNOWN_CODENAMES := Q R S Sv2 Tiramisu
+# This are all known codenames.
+PLATFORM_VERSION_KNOWN_CODENAMES := \
+Base Base11 Cupcake Donut Eclair Eclair01 EclairMr1 Froyo Gingerbread GingerbreadMr1 \
+Honeycomb HoneycombMr1 HoneycombMr2 IceCreamSandwich IceCreamSandwichMr1 \
+JellyBean JellyBeanMr1 JellyBeanMr2 Kitkat KitkatWatch Lollipop LollipopMr1 M N NMr1 O OMr1 P \
+Q R S Sv2 Tiramisu
+
 # Convert from space separated list to comma separated
 PLATFORM_VERSION_KNOWN_CODENAMES := \
   $(call normalize-comma-list,$(PLATFORM_VERSION_KNOWN_CODENAMES))