diff --git a/META.json b/META.json
index c654c92..04f20ef 100644
--- a/META.json
+++ b/META.json
@@ -1,15 +1,15 @@
 {
    "name": "currency",
    "abstract": "Enumerable currency list, stored in a single-byte, fixed-length type.",
-   "version": "0.0.2",
-   "maintainer": [ "Chris Travers <christravers@adjust.com>", "Manuel Kniep <rapimo@adjust.com>" ],
+   "version": "0.0.3",
+   "maintainer": [ "Chris Travers <chris.travers@adjust.com>", "Manuel Kniep <rapimo@adjust.com>" ],
    "license": {
       "PostgreSQL": "http://www.postgresql.org/about/licence"
    },
    "provides": { 
       "currency": {
          "file": "sql/pg-currency.sql",
-         "version": "0.0.2",
+         "version": "0.0.3",
          "abstract": "Enumerable currency list, stored in a single-byte, fixed-length type."
       }
    },
diff --git a/currency.control b/currency.control
index fbad9c0..09b4727 100644
--- a/currency.control
+++ b/currency.control
@@ -1,5 +1,5 @@
 # currency extension
 comment = 'Custom PostgreSQL currency type'
-default_version = '0.0.2'
+default_version = '0.0.3'
 relocatable = true
 requires = 'plpgsql'
diff --git a/sql/currency--0.0.2--0.0.3.sql b/sql/currency--0.0.2--0.0.3.sql
new file mode 100644
index 0000000..78a1203
--- /dev/null
+++ b/sql/currency--0.0.2--0.0.3.sql
@@ -0,0 +1,22 @@
+
+DO $$
+DECLARE version_num integer;
+BEGIN
+  SELECT current_setting('server_version_num') INTO STRICT version_num;
+  IF version_num > 90600 THEN
+	EXECUTE $E$ ALTER FUNCTION currency_in(cstring) PARALLEL SAFE $E$;
+	EXECUTE $E$ ALTER FUNCTION currency_out(currency) PARALLEL SAFE $E$;
+	EXECUTE $E$ ALTER FUNCTION currency_recv(internal) PARALLEL SAFE $E$;
+	EXECUTE $E$ ALTER FUNCTION currency_send(currency) PARALLEL SAFE $E$;
+	EXECUTE $E$ ALTER FUNCTION currency_eq(currency, currency) PARALLEL SAFE $E$;
+	EXECUTE $E$ ALTER FUNCTION currency_neq(currency, currency) PARALLEL SAFE $E$;
+	EXECUTE $E$ ALTER FUNCTION currency_lt(currency, currency) PARALLEL SAFE $E$;
+	EXECUTE $E$ ALTER FUNCTION currency_le(currency, currency) PARALLEL SAFE $E$;
+	EXECUTE $E$ ALTER FUNCTION currency_gt(currency, currency) PARALLEL SAFE $E$;
+	EXECUTE $E$ ALTER FUNCTION currency_ge(currency, currency) PARALLEL SAFE $E$;
+	EXECUTE $E$ ALTER FUNCTION currency_cmp(currency, currency) PARALLEL SAFE $E$;
+	EXECUTE $E$ ALTER FUNCTION hash_currency(currency) PARALLEL SAFE $E$;
+  END IF;
+END;
+$$;
+
diff --git a/sql/currency--0.0.3.sql b/sql/currency--0.0.3.sql
new file mode 100644
index 0000000..e149e74
--- /dev/null
+++ b/sql/currency--0.0.3.sql
@@ -0,0 +1,202 @@
+
+CREATE TYPE currency;
+
+CREATE FUNCTION supported_currencies()
+    RETURNS SETOF currency
+    AS '$libdir/currency.so'
+    LANGUAGE C IMMUTABLE STRICT;
+
+CREATE FUNCTION currency_in(cstring)
+    RETURNS currency
+    AS '$libdir/currency.so'
+    LANGUAGE C IMMUTABLE STRICT;
+
+CREATE FUNCTION currency_out(currency)
+    RETURNS cstring
+    AS '$libdir/currency.so'
+    LANGUAGE C IMMUTABLE STRICT;
+
+CREATE FUNCTION currency_recv(internal)
+    RETURNS currency
+    AS '$libdir/currency.so'
+    LANGUAGE C IMMUTABLE STRICT;
+
+CREATE FUNCTION currency_send(currency)
+    RETURNS bytea
+    AS '$libdir/currency.so'
+    LANGUAGE C IMMUTABLE STRICT;
+
+CREATE TYPE currency (
+    internallength = 1,
+    input = currency_in,
+    output = currency_out,
+    send = currency_send,
+    receive = currency_recv,
+    alignment = char,
+    PASSEDBYVALUE
+);
+
+COMMENT ON TYPE currency
+  IS '1-byte ISO 4217 Currency Code';
+
+CREATE FUNCTION currency_lt(currency, currency)
+    RETURNS BOOL
+    AS '$libdir/currency.so'
+    LANGUAGE C IMMUTABLE STRICT;
+
+COMMENT ON FUNCTION currency_lt(currency, currency) IS 'implementation of < operator';
+
+CREATE FUNCTION currency_le(currency, currency)
+    RETURNS BOOL
+    AS '$libdir/currency.so'
+    LANGUAGE C IMMUTABLE STRICT;
+
+COMMENT ON FUNCTION currency_le(currency, currency) IS 'implementation of <= operator';
+
+CREATE FUNCTION currency_eq(currency, currency)
+    RETURNS BOOL
+    AS '$libdir/currency.so'
+    LANGUAGE C IMMUTABLE STRICT;
+
+COMMENT ON FUNCTION currency_eq(currency, currency) IS 'implementation of = operator';
+
+CREATE FUNCTION currency_neq(currency, currency)
+    RETURNS BOOL
+    AS '$libdir/currency.so'
+    LANGUAGE C IMMUTABLE STRICT;
+
+COMMENT ON FUNCTION currency_neq(currency, currency) IS 'implementation of <> operator';
+
+CREATE FUNCTION currency_ge(currency, currency)
+    RETURNS BOOL
+    AS '$libdir/currency.so'
+    LANGUAGE C IMMUTABLE STRICT;
+
+COMMENT ON FUNCTION currency_ge(currency, currency) IS 'implementation of >= operator';
+
+CREATE FUNCTION currency_gt(currency, currency)
+    RETURNS BOOL
+    AS '$libdir/currency.so'
+    LANGUAGE C IMMUTABLE STRICT;
+
+COMMENT ON FUNCTION currency_gt(currency, currency) IS 'implementation of > operator';
+
+CREATE FUNCTION hash_currency(currency)
+    RETURNS integer
+    AS '$libdir/currency.so'
+    LANGUAGE C IMMUTABLE STRICT;
+
+COMMENT ON FUNCTION hash_currency(currency) IS 'hash';
+
+DO $$
+DECLARE version_num integer;
+BEGIN
+  SELECT current_setting('server_version_num') INTO STRICT version_num;
+  IF version_num > 90600 THEN
+	EXECUTE $E$ ALTER FUNCTION currency_in(cstring) PARALLEL SAFE $E$;
+	EXECUTE $E$ ALTER FUNCTION currency_out(currency) PARALLEL SAFE $E$;
+	EXECUTE $E$ ALTER FUNCTION currency_recv(internal) PARALLEL SAFE $E$;
+	EXECUTE $E$ ALTER FUNCTION currency_send(currency) PARALLEL SAFE $E$;
+	EXECUTE $E$ ALTER FUNCTION currency_eq(currency, currency) PARALLEL SAFE $E$;
+	EXECUTE $E$ ALTER FUNCTION currency_neq(currency, currency) PARALLEL SAFE $E$;
+	EXECUTE $E$ ALTER FUNCTION currency_lt(currency, currency) PARALLEL SAFE $E$;
+	EXECUTE $E$ ALTER FUNCTION currency_le(currency, currency) PARALLEL SAFE $E$;
+	EXECUTE $E$ ALTER FUNCTION currency_gt(currency, currency) PARALLEL SAFE $E$;
+	EXECUTE $E$ ALTER FUNCTION currency_ge(currency, currency) PARALLEL SAFE $E$;
+	EXECUTE $E$ ALTER FUNCTION currency_cmp(currency, currency) PARALLEL SAFE $E$;
+	EXECUTE $E$ ALTER FUNCTION hash_currency(currency) PARALLEL SAFE $E$;
+  END IF;
+END;
+$$;
+
+CREATE OPERATOR < (
+    leftarg = currency,
+    rightarg = currency,
+    procedure = currency_lt,
+    commutator = >,
+    negator   = >=,
+    restrict = scalarltsel,
+    join = scalarltjoinsel
+);
+
+COMMENT ON OPERATOR <(currency, currency) IS 'less than';
+
+CREATE OPERATOR <= (
+    leftarg = currency,
+    rightarg = currency,
+    procedure = currency_le,
+    commutator = >=,
+    negator   = >,
+    restrict = scalarltsel,
+    join = scalarltjoinsel
+);
+
+COMMENT ON OPERATOR <=(currency, currency) IS 'less than or equal';
+
+CREATE OPERATOR = (
+    leftarg = currency,
+    rightarg = currency,
+    procedure = currency_eq,
+    commutator = =,
+    negator   = <>,
+    restrict = eqsel,
+    join = eqjoinsel,
+    HASHES, MERGES
+);
+
+COMMENT ON OPERATOR =(currency, currency) IS 'equal';
+
+CREATE OPERATOR >= (
+    leftarg = currency,
+    rightarg = currency,
+    procedure = currency_ge,
+    commutator = <=,
+    negator   = <,
+    restrict = scalargtsel,
+    join = scalargtjoinsel
+);
+
+COMMENT ON OPERATOR >=(currency, currency) IS 'greater than or equal';
+
+CREATE OPERATOR > (
+    leftarg = currency,
+    rightarg = currency,
+    procedure = currency_gt,
+    commutator = <,
+    negator   = <=,
+    restrict = scalargtsel,
+    join = scalargtjoinsel
+);
+
+COMMENT ON OPERATOR >(currency, currency) IS 'greater than';
+
+CREATE OPERATOR <> (
+    leftarg = currency,
+    rightarg = currency,
+    procedure = currency_neq,
+    commutator = <>,
+    negator = =,
+    restrict = neqsel,
+    join = neqjoinsel
+);
+
+COMMENT ON OPERATOR <>(currency, currency) IS 'not equal';
+
+CREATE FUNCTION currency_cmp(currency, currency)
+    RETURNS int4
+    AS '$libdir/currency.so'
+    LANGUAGE C IMMUTABLE STRICT;
+
+CREATE OPERATOR CLASS currency_ops
+    DEFAULT FOR TYPE currency USING btree AS
+        OPERATOR        1       < ,
+        OPERATOR        2       <= ,
+        OPERATOR        3       = ,
+        OPERATOR        4       >= ,
+        OPERATOR        5       > ,
+        FUNCTION        1       currency_cmp(currency, currency);
+
+CREATE OPERATOR CLASS currency_ops
+    DEFAULT FOR TYPE currency USING hash AS
+        OPERATOR        1       = ,
+        FUNCTION        1       hash_currency(currency);