diff --git a/Data/ASN1/Types.hs b/Data/ASN1/Types.hs
--- a/Data/ASN1/Types.hs
+++ b/Data/ASN1/Types.hs
@@ -46,10 +46,10 @@
     | UTF32     -- ^ UTF32
     | Character -- ^ Character
     | BMP       -- ^ UCS2
-    deriving (Show,Eq)
+    deriving (Show,Eq,Ord)
 
 data ASN1TimeType = TimeUTC | TimeGeneralized
-                  deriving (Show,Eq)
+                  deriving (Show,Eq,Ord)
 
 -- | Define high level ASN1 object.
 data ASN1 =
diff --git a/asn1-types.cabal b/asn1-types.cabal
--- a/asn1-types.cabal
+++ b/asn1-types.cabal
@@ -1,5 +1,5 @@
 Name:                asn1-types
-Version:             0.1.2
+Version:             0.1.3
 Description:         ASN.1 standard types
 License:             BSD3
 License-file:        LICENSE