diff --git a/pgjdbc/src/main/java/org/postgresql/jdbc/TypeInfoCache.java b/pgjdbc/src/main/java/org/postgresql/jdbc/TypeInfoCache.java
index 0be3933c27810a58e26ebdf8d71baf0c8373ab85..dc317a5df169f7b2d90607ff1b2791a26454e793 100644
--- a/pgjdbc/src/main/java/org/postgresql/jdbc/TypeInfoCache.java
+++ b/pgjdbc/src/main/java/org/postgresql/jdbc/TypeInfoCache.java
@@ -73,6 +73,10 @@ public class TypeInfoCache implements TypeInfo {
       {"int4", Oid.INT4, Types.INTEGER, "java.lang.Integer", Oid.INT4_ARRAY},
       {"oid", Oid.OID, Types.BIGINT, "java.lang.Long", Oid.OID_ARRAY},
       {"int8", Oid.INT8, Types.BIGINT, "java.lang.Long", Oid.INT8_ARRAY},
+      {"uint1", Oid.UNSPECIFIED, Types.SMALLINT, "java.lang.Integer", Oid.INT1_ARRAY},
+      {"uint2", Oid.UNSPECIFIED, Types.INTEGER, "java.lang.Integer", Oid.INT2_ARRAY},
+      {"uint4", Oid.UNSPECIFIED, Types.BIGINT, "java.lang.Long", Oid.INT4_ARRAY},
+      {"uint8", Oid.UNSPECIFIED, Types.BIGINT, "java.lang.Long", Oid.INT8_ARRAY},
       {"money", Oid.MONEY, Types.DOUBLE, "java.lang.Double", Oid.MONEY_ARRAY},
       {"numeric", Oid.NUMERIC, Types.NUMERIC, "java.math.BigDecimal", Oid.NUMERIC_ARRAY},
       {"float4", Oid.FLOAT4, Types.REAL, "java.lang.Float", Oid.FLOAT4_ARRAY},