diff --git a/src/dataTypes.ts b/src/dataTypes.ts
index 0712338..e5f958e 100644
--- a/src/dataTypes.ts
+++ b/src/dataTypes.ts
@@ -4,6 +4,7 @@ export default [
   "byte",
   "char",
   "date",
+  "decimal",
   "double",
   "float",
   "geohash",
diff --git a/src/functions.ts b/src/functions.ts
index 7fcaf74..bac02bf 100644
--- a/src/functions.ts
+++ b/src/functions.ts
@@ -196,6 +196,7 @@ export default [
   "rnd_byte",
   "rnd_char",
   "rnd_date",
+  "rnd_decimal",
   "rnd_double",
   "rnd_double_array",
   "rnd_float",