diff --git a/CHANGELOG b/CHANGELOG
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,5 @@
+- 0.2.1.0
+  * Bumped base dependency.
 - 0.2.0.0
   * Using the Text.DocL.Javascript module instead of aeson
     (since not everything we want to ship to C3.js is JSON encodable).
diff --git a/src/Text/DocL/Javascript.hs b/src/Text/DocL/Javascript.hs
--- a/src/Text/DocL/Javascript.hs
+++ b/src/Text/DocL/Javascript.hs
@@ -112,7 +112,7 @@
   toObj c = toObj [c]
   toObjList xs = Scalar . B.toLazyText $ "\"" <> foldMap esc xs <> "\""
     where
-      mustEscape = "\"\\>\n\r\x2028\x2029"
+      mustEscape = "\"\\>\n\r\x2028\x2029" :: String
       esc x =
         if isControl x || elem x mustEscape
           then fromString . printf "\\u%04x" $ ord x
diff --git a/text-and-plots.cabal b/text-and-plots.cabal
--- a/text-and-plots.cabal
+++ b/text-and-plots.cabal
@@ -1,5 +1,5 @@
 name:                text-and-plots
-version:             0.2.0.0
+version:             0.2.1.0
 synopsis:
   EDSL to create HTML documents with plots based on the C3.js library.
 description:
@@ -27,14 +27,14 @@
 source-repository this
   type:     git
   location: git://github.com/andersjel/haskell-text-and-plots.git
-  tag:      v0.2.0.0
+  tag:      v0.2.1.0
 
 library
   exposed-modules:
     Text.DocL
     Text.DocL.Javascript
   build-depends:
-    base                 >=4.7.0.0  && <4.8,
+    base                 >=4.7.0.0  && <4.9,
     blaze-html           >=0.7.0.0  && <0.9,
     bytestring           >=0.10.4.0 && <0.11,
     containers           >=0.5.5.1  && <0.6,