diff --git a/library/Text/Builder.hs b/library/Text/Builder.hs
--- a/library/Text/Builder.hs
+++ b/library/Text/Builder.hs
@@ -95,6 +95,9 @@
 instance IsString Builder where
   fromString = string
 
+instance Show Builder where
+  show = Text.unpack . run
+
 
 -- * Accessors
 -------------------------
diff --git a/text-builder.cabal b/text-builder.cabal
--- a/text-builder.cabal
+++ b/text-builder.cabal
@@ -1,5 +1,5 @@
 name: text-builder
-version: 0.6.4
+version: 0.6.5
 category: Text
 synopsis: An efficient strict text builder
 homepage: https://github.com/nikita-volkov/text-builder