diff --git a/common/src/dcd/common/constants.d b/common/src/dcd/common/constants.d
index 68c2771..66797ac 100644
--- a/common/src/dcd/common/constants.d
+++ b/common/src/dcd/common/constants.d
@@ -71,6 +71,7 @@ immutable ConstantCompletion[] predefinedVersions = [
 	ConstantCompletion("ARM_Thumb"),
 	ConstantCompletion("AsmJS"),
 	ConstantCompletion("assert"),
+	ConstantCompletion("AVR"),
 	ConstantCompletion("BigEndian"),
 	ConstantCompletion("BSD"),
 	ConstantCompletion("Core"),
@@ -80,6 +81,12 @@ immutable ConstantCompletion[] predefinedVersions = [
 	ConstantCompletion("CRuntime_Microsoft"),
 	ConstantCompletion("CRuntime_Musl"),
 	ConstantCompletion("CRuntime_UClibc"),
+	ConstantCompletion("CRuntime_WASI"),
+	ConstantCompletion("CppRuntime_Clang"),
+	ConstantCompletion("CppRuntime_DigitalMars"),
+	ConstantCompletion("CppRuntime_Gcc"),
+	ConstantCompletion("CppRuntime_Microsoft"),
+	ConstantCompletion("CppRuntime_Sun"),
 	ConstantCompletion("Cygwin"),
 	ConstantCompletion("DigitalMars"),
 	ConstantCompletion("DragonFlyBSD"),
@@ -123,6 +130,7 @@ immutable ConstantCompletion[] predefinedVersions = [
 	ConstantCompletion("MIPS_O32"),
 	ConstantCompletion("MIPS_O64"),
 	ConstantCompletion("MIPS_SoftFloat"),
+	ConstantCompletion("MSP430"),
 	ConstantCompletion("NetBSD"),
 	ConstantCompletion("none"),
 	ConstantCompletion("NVPTX"),
@@ -156,6 +164,7 @@ immutable ConstantCompletion[] predefinedVersions = [
 	ConstantCompletion("SysV4"),
 	ConstantCompletion("TVOS"),
 	ConstantCompletion("unittest"),
+	ConstantCompletion("WASI"),
 	ConstantCompletion("WatchOS"),
 	ConstantCompletion("WebAssembly"),
 	ConstantCompletion("Win32"),