diff --git a/diagrams-pgf.cabal b/diagrams-pgf.cabal
--- a/diagrams-pgf.cabal
+++ b/diagrams-pgf.cabal
@@ -1,5 +1,5 @@
 name:                diagrams-pgf
-version:             0.1.0.0
+version:             0.1.0.1
 synopsis:            PGF backend for diagrams drawing EDSL.
 license:             BSD3
 license-file:        LICENSE
@@ -34,6 +34,7 @@
   build-depends:
     base                 >= 4.4   && < 4.9,
     bytestring           >= 0.9   && < 1.1,
+    bytestring-builder               < 1.1,
     containers           >= 0.3   && < 0.6,
     colour,
     diagrams-core        >= 1.3   && < 1.4,