diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+#### 0.2.0.4
+
+* Allow `base 4.8.*` and `filepath 1.4.*`
+
 #### 0.2.0.3
 
 * Allow `fay 0.23.*`.
diff --git a/fay-builder.cabal b/fay-builder.cabal
--- a/fay-builder.cabal
+++ b/fay-builder.cabal
@@ -1,5 +1,5 @@
 name:                fay-builder
-version:             0.2.0.3
+version:             0.2.0.4
 synopsis:            Compile Fay code on cabal install, and ad-hoc recompile during development
 description:         Compile Fay code on cabal install, and ad-hoc recompile during development
 license:             BSD3
@@ -26,12 +26,12 @@
   hs-source-dirs:    src
   exposed-modules:   Fay.Builder
   build-depends:
-      base >= 4.5 && < 4.8
+      base >= 4.5 && < 4.9
     , Cabal >= 1.4 && < 1.21
     , data-default >= 0.5.3 && < 0.6
     , directory >= 1.1 && < 1.3
     , fay >= 0.20 && < 0.24
-    , filepath == 1.3.*
+    , filepath >= 1.3 && < 1.5
     , safe == 0.3.*
     , split >= 0.2.2 && < 0.3
     , text >= 0.11 && < 1.3