diff --git a/src/Text/Megaparsec/Char/Tibetan.hs b/src/Text/Megaparsec/Char/Tibetan.hs
--- a/src/Text/Megaparsec/Char/Tibetan.hs
+++ b/src/Text/Megaparsec/Char/Tibetan.hs
@@ -4,7 +4,6 @@
 import Text.Megaparsec.Text
 
 -- | Parse a consonant
---
 consonantCharBo :: Parser Char
 consonantCharBo = oneOf ("ཨཅཆརཏཡཕཙཚཛའསདབངམགལཞཟཤཀཁཔནཐཇཉཝཧ" :: String)
 
diff --git a/src/Text/Megaparsec/Lexer/Tibetan.hs b/src/Text/Megaparsec/Lexer/Tibetan.hs
--- a/src/Text/Megaparsec/Lexer/Tibetan.hs
+++ b/src/Text/Megaparsec/Lexer/Tibetan.hs
@@ -22,6 +22,10 @@
 readBo :: (Integral a) => String -> Maybe a
 readBo = fmap fromIntegral . rightToMaybe . (runParser (parseNumber :: Parser Integer) "")
 
+-- | Return verbose errors.
+readBoV :: (Integral a) => String -> Either (ParseError Char Dec) a
+readBoV = fmap fromIntegral . (runParser (parseNumber :: Parser Integer) "")
+
 -- | Parse Tibetan numerals, returning a positive integer
 parseNumber :: (Integral a, MonadParsec e s m, Token s ~ Char) => m a
 parseNumber = do
diff --git a/tibetan-utils.cabal b/tibetan-utils.cabal
--- a/tibetan-utils.cabal
+++ b/tibetan-utils.cabal
@@ -1,5 +1,5 @@
 name: tibetan-utils
-version: 0.1.1.0
+version: 0.1.1.1
 cabal-version: >=1.10
 build-type: Simple
 license: BSD3
@@ -26,10 +26,10 @@
         TextShow.Data.Integral.Tibetan
     build-depends:
         base >=4.7 && <5,
-        megaparsec >=5.0.1 && <5.1,
+        megaparsec >=5.2.0 && <5.3,
         text >=1.2.2.1 && <1.3,
         composition >=1.0.2.1 && <1.1,
-        text-show ==3.4.*,
+        text-show >=3.4.1.1 && <3.5,
         either >=4.4.1.1 && <4.5
     default-language: Haskell2010
     default-extensions: OverloadedStrings
@@ -39,12 +39,12 @@
     type: exitcode-stdio-1.0
     main-is: Spec.hs
     build-depends:
-        base >=4.9.0.0 && <4.10,
-        tibetan-utils >=0.1.1.0 && <0.2,
-        hspec >=2.2.4 && <2.3,
-        hspec-megaparsec >=0.2.1 && <0.3,
+        base >=4.9.1.0 && <4.10,
+        tibetan-utils >=0.1.1.1 && <0.2,
+        hspec >=2.4.2 && <2.5,
+        hspec-megaparsec >=0.3.1 && <0.4,
         text >=1.2.2.1 && <1.3,
-        megaparsec >=5.0.1 && <5.1
+        megaparsec >=5.2.0 && <5.3
     default-language: Haskell2010
     hs-source-dirs: test
     ghc-options: -threaded -rtsopts -with-rtsopts=-N