diff --git a/patching/patches/uuid-1.3.1.patch b/patching/patches/uuid-1.3.1.patch
new file mode 100644
index 00000000..757edb9e
--- /dev/null
+++ b/patching/patches/uuid-1.3.1.patch
@@ -0,0 +1,30 @@
+diff -ru orig/Data/UUID/Internal.hs new/Data/UUID/Internal.hs
+--- orig/Data/UUID/Internal.hs	2013-10-22 19:00:23.458184957 +0300
++++ new/Data/UUID/Internal.hs	2013-10-22 19:00:23.000000000 +0300
+@@ -391,12 +391,24 @@
+ 
+ -- | Similar to `toASCIIBytes` except we produce a lazy `BL.ByteString`.
+ toLazyASCIIBytes :: UUID -> BL.ByteString
+-toLazyASCIIBytes = BL.fromStrict . toASCIIBytes
++toLazyASCIIBytes =
++#if MIN_VERSION_bytestring(0,10,0)
++    BL.fromStrict
++#else
++    BL.fromChunks . return
++#endif
++    . toASCIIBytes
+ 
+ -- | Similar to `fromASCIIBytes` except parses from a lazy `BL.ByteString`.
+ fromLazyASCIIBytes :: BL.ByteString -> Maybe UUID
+ fromLazyASCIIBytes bs =
+-    if BL.length bs == 36 then fromASCIIBytes (BL.toStrict bs) else Nothing
++    if BL.length bs == 36 then fromASCIIBytes (
++#if MIN_VERSION_bytestring(0,10,0)
++        BL.toStrict bs
++#else
++        B.concat $ BL.toChunks bs
++#endif
++        ) else Nothing
+ 
+ --
+ -- Class Instances