diff --git a/CHANGES.markdown b/CHANGES.markdown
--- a/CHANGES.markdown
+++ b/CHANGES.markdown
@@ -1,3 +1,7 @@
+* 0.1.0.1 (14 February 2016)
+
+  allow base-4.9 for GHC-8.0
+
 * 0.1 (19 April 2015)
 
   initial release, in conjunction with `diagrams-1.3` --- some
diff --git a/diagrams-solve.cabal b/diagrams-solve.cabal
--- a/diagrams-solve.cabal
+++ b/diagrams-solve.cabal
@@ -1,5 +1,5 @@
 name:                diagrams-solve
-version:             0.1
+version:             0.1.0.1
 synopsis:            Pure Haskell solver routines used by diagrams
 description:         Pure Haskell solver routines used by the diagrams
                      project.  Currently includes finding real roots
@@ -23,6 +23,6 @@
 library
   exposed-modules:     Diagrams.Solve.Polynomial,
                        Diagrams.Solve.Tridiagonal
-  build-depends:       base >=4.5 && < 4.9
+  build-depends:       base >=4.5 && < 4.10
   hs-source-dirs:      src
   default-language:    Haskell2010