diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c
index a9fa3357e795db484dbf2e6124dc97ea7e5593d2..7c0c64cc7ade7b696f5092fd929f61d12c35bc04 100644
--- a/src/bin/pg_dump/pg_dump.c
+++ b/src/bin/pg_dump/pg_dump.c
@@ -7305,6 +7305,7 @@ dumpBaseType(Archive *fout, TypeInfo *tyinfo)
 	char	   *typbyval;
 	char	   *typalign;
 	char	   *typstorage;
+	char	   *typcollatable;
 	char	   *typdefault;
 	bool		typdefault_is_literal = false;
 
@@ -7312,7 +7313,27 @@ dumpBaseType(Archive *fout, TypeInfo *tyinfo)
 	selectSourceSchema(tyinfo->dobj.namespace->dobj.name);
 
 	/* Fetch type-specific details */
-	if (fout->remoteVersion >= 80400)
+	if (fout->remoteVersion >= 90100)
+	{
+		appendPQExpBuffer(query, "SELECT typlen, "
+						  "typinput, typoutput, typreceive, typsend, "
+						  "typmodin, typmodout, typanalyze, "
+						  "typinput::pg_catalog.oid AS typinputoid, "
+						  "typoutput::pg_catalog.oid AS typoutputoid, "
+						  "typreceive::pg_catalog.oid AS typreceiveoid, "
+						  "typsend::pg_catalog.oid AS typsendoid, "
+						  "typmodin::pg_catalog.oid AS typmodinoid, "
+						  "typmodout::pg_catalog.oid AS typmodoutoid, "
+						  "typanalyze::pg_catalog.oid AS typanalyzeoid, "
+						  "typcategory, typispreferred, "
+						  "typdelim, typbyval, typalign, typstorage, "
+						  "(typcollation = (SELECT oid FROM pg_catalog.pg_collation WHERE collname = 'default')) AS typcollatable, "
+						  "pg_catalog.pg_get_expr(typdefaultbin, 0) AS typdefaultbin, typdefault "
+						  "FROM pg_catalog.pg_type "
+						  "WHERE oid = '%u'::pg_catalog.oid",
+						  tyinfo->dobj.catId.oid);
+	}
+	else if (fout->remoteVersion >= 80400)
 	{
 		appendPQExpBuffer(query, "SELECT typlen, "
 						  "typinput, typoutput, typreceive, typsend, "
@@ -7326,6 +7347,7 @@ dumpBaseType(Archive *fout, TypeInfo *tyinfo)
 						  "typanalyze::pg_catalog.oid AS typanalyzeoid, "
 						  "typcategory, typispreferred, "
 						  "typdelim, typbyval, typalign, typstorage, "
+						  "false AS typcollatable, "
 						  "pg_catalog.pg_get_expr(typdefaultbin, 0) AS typdefaultbin, typdefault "
 						  "FROM pg_catalog.pg_type "
 						  "WHERE oid = '%u'::pg_catalog.oid",
@@ -7346,6 +7368,7 @@ dumpBaseType(Archive *fout, TypeInfo *tyinfo)
 						  "typanalyze::pg_catalog.oid AS typanalyzeoid, "
 						  "'U' AS typcategory, false AS typispreferred, "
 						  "typdelim, typbyval, typalign, typstorage, "
+						  "false AS typcollatable, "
 						  "pg_catalog.pg_get_expr(typdefaultbin, 'pg_catalog.pg_type'::pg_catalog.regclass) AS typdefaultbin, typdefault "
 						  "FROM pg_catalog.pg_type "
 						  "WHERE oid = '%u'::pg_catalog.oid",
@@ -7365,6 +7388,7 @@ dumpBaseType(Archive *fout, TypeInfo *tyinfo)
 						  "typanalyze::pg_catalog.oid AS typanalyzeoid, "
 						  "'U' AS typcategory, false AS typispreferred, "
 						  "typdelim, typbyval, typalign, typstorage, "
+						  "false AS typcollatable, "
 						  "pg_catalog.pg_get_expr(typdefaultbin, 'pg_catalog.pg_type'::pg_catalog.regclass) AS typdefaultbin, typdefault "
 						  "FROM pg_catalog.pg_type "
 						  "WHERE oid = '%u'::pg_catalog.oid",
@@ -7384,6 +7408,7 @@ dumpBaseType(Archive *fout, TypeInfo *tyinfo)
 						  "0 AS typanalyzeoid, "
 						  "'U' AS typcategory, false AS typispreferred, "
 						  "typdelim, typbyval, typalign, typstorage, "
+						  "false AS typcollatable, "
 						  "pg_catalog.pg_get_expr(typdefaultbin, 'pg_catalog.pg_type'::pg_catalog.regclass) AS typdefaultbin, typdefault "
 						  "FROM pg_catalog.pg_type "
 						  "WHERE oid = '%u'::pg_catalog.oid",
@@ -7403,6 +7428,7 @@ dumpBaseType(Archive *fout, TypeInfo *tyinfo)
 						  "0 AS typanalyzeoid, "
 						  "'U' AS typcategory, false AS typispreferred, "
 						  "typdelim, typbyval, typalign, typstorage, "
+						  "false AS typcollatable, "
 						  "pg_catalog.pg_get_expr(typdefaultbin, 'pg_catalog.pg_type'::pg_catalog.regclass) AS typdefaultbin, typdefault "
 						  "FROM pg_catalog.pg_type "
 						  "WHERE oid = '%u'::pg_catalog.oid",
@@ -7426,6 +7452,7 @@ dumpBaseType(Archive *fout, TypeInfo *tyinfo)
 						  "0 AS typanalyzeoid, "
 						  "'U' AS typcategory, false AS typispreferred, "
 						  "typdelim, typbyval, typalign, typstorage, "
+						  "false AS typcollatable, "
 						  "NULL AS typdefaultbin, typdefault "
 						  "FROM pg_type "
 						  "WHERE oid = '%u'::oid",
@@ -7449,6 +7476,7 @@ dumpBaseType(Archive *fout, TypeInfo *tyinfo)
 						  "0 AS typanalyzeoid, "
 						  "'U' AS typcategory, false AS typispreferred, "
 						  "typdelim, typbyval, typalign, typstorage, "
+						  "false AS typcollatable, "
 						  "NULL AS typdefaultbin, NULL AS typdefault "
 						  "FROM pg_type "
 						  "WHERE oid = '%u'::oid",
@@ -7469,6 +7497,7 @@ dumpBaseType(Archive *fout, TypeInfo *tyinfo)
 						  "'U' AS typcategory, false AS typispreferred, "
 						  "typdelim, typbyval, typalign, "
 						  "'p'::char AS typstorage, "
+						  "false AS typcollatable, "
 						  "NULL AS typdefaultbin, NULL AS typdefault "
 						  "FROM pg_type "
 						  "WHERE oid = '%u'::oid",
@@ -7510,6 +7539,7 @@ dumpBaseType(Archive *fout, TypeInfo *tyinfo)
 	typbyval = PQgetvalue(res, 0, PQfnumber(res, "typbyval"));
 	typalign = PQgetvalue(res, 0, PQfnumber(res, "typalign"));
 	typstorage = PQgetvalue(res, 0, PQfnumber(res, "typstorage"));
+	typcollatable = PQgetvalue(res, 0, PQfnumber(res, "typcollatable"));
 	if (!PQgetisnull(res, 0, PQfnumber(res, "typdefaultbin")))
 		typdefault = PQgetvalue(res, 0, PQfnumber(res, "typdefaultbin"));
 	else if (!PQgetisnull(res, 0, PQfnumber(res, "typdefault")))
@@ -7566,6 +7596,9 @@ dumpBaseType(Archive *fout, TypeInfo *tyinfo)
 		/* receive/send/typmodin/typmodout/analyze need not be printed */
 	}
 
+	if (strcmp(typcollatable, "t") == 0)
+		appendPQExpBuffer(q, ",\n    COLLATABLE = true");
+
 	if (typdefault != NULL)
 	{
 		appendPQExpBuffer(q, ",\n    DEFAULT = ");