diff --git a/test/Main.hs b/test/Main.hs
--- a/test/Main.hs
+++ b/test/Main.hs
@@ -20,10 +20,19 @@
       decodeHyphenated uuidBytes @?= Just uuidW128
   , testCase "UUID encoding/decoding idempotence test" $
       decodeHyphenated (fromByteArray $ encodeHyphenated uuidW128) @?= Just uuidW128
+  , testCase "UUIDUH encoding test" $
+      fromByteArray (encodeUnhyphenated uuidW128) @?= uuidBytesUH
+  , testCase "UUIDUH decoding test" $
+      decodeUnhyphenated uuidBytesUH @?= Just uuidW128
+  , testCase "UUIDUH encoding/decoding idempotence test" $
+      decodeUnhyphenated (fromByteArray $ encodeUnhyphenated uuidW128) @?= Just uuidW128
   ]
 
 uuidBytes :: Bytes
 uuidBytes = fromAsciiString "123e4567-e89b-12d3-a456-426655440000"
+
+uuidBytesUH :: Bytes
+uuidBytesUH = fromAsciiString "123e4567e89b12d3a456426655440000"
 
 uuidW128 :: Word128
 uuidW128 = 24249434048109030647017182302883282944
diff --git a/uuid-bytes.cabal b/uuid-bytes.cabal
--- a/uuid-bytes.cabal
+++ b/uuid-bytes.cabal
@@ -1,6 +1,6 @@
 cabal-version: >=1.10
 name: uuid-bytes
-version: 0.1.0.0
+version: 0.1.0.1
 synopsis: UUID parsing using byteverse packages
 description: This packages provides `bytesmith` parsers and `byteslice` encoders for 128bit UUIDs in hexadecimal format.
 -- bug-reports:
@@ -24,7 +24,7 @@
   exposed-modules:
     UUID
   build-depends: 
-      base >=4.13 && <4.14
+      base >=4.12 && <4.14
     , wide-word
     , byteslice >=0.2.1 && <0.3
     , bytesmith >=0.3.4 && <0.4