diff --git a/Text/Julius.hs b/Text/Julius.hs
--- a/Text/Julius.hs
+++ b/Text/Julius.hs
@@ -86,6 +86,7 @@
 instance ToJavascript Javascript where toJavascript = unJavascript
 instance ToJavascript Builder where toJavascript = id
 #endif
+instance ToJavascript Bool where toJavascript = fromText . TS.toLower . TS.pack . show
 instance ToJavascript Value where toJavascript = fromValue
 
 newtype RawJavascript = RawJavascript Builder
@@ -99,6 +100,7 @@
 instance RawJS TS.Text where rawJS = RawJavascript . fromText
 instance RawJS TL.Text where rawJS = RawJavascript . fromLazyText
 instance RawJS Builder where rawJS = RawJavascript
+instance RawJS Bool where rawJS = RawJavascript . toJavascript
 
 javascriptSettings :: Q ShakespeareSettings
 javascriptSettings = do
diff --git a/shakespeare-js.cabal b/shakespeare-js.cabal
--- a/shakespeare-js.cabal
+++ b/shakespeare-js.cabal
@@ -1,5 +1,5 @@
 name:            shakespeare-js
-version:         1.1.0
+version:         1.1.1
 license:         MIT
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>
diff --git a/test/ShakespeareJsTest.hs b/test/ShakespeareJsTest.hs
--- a/test/ShakespeareJsTest.hs
+++ b/test/ShakespeareJsTest.hs
@@ -104,6 +104,10 @@
 
   it "JSON data" $ jelper "\"Hello \\\"World!\\\"\"" [julius|#{toJSON "Hello \"World!\""}|]
 
+  it "boolean interpolation" $ jelper
+    "true false true false true false"
+    [julius|#{True} #{False} #{toJSON True} #{toJSON False} #{rawJS True} #{rawJS False}|]
+
 
 
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