diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.4.0.2
+
+- Relaxed lower-bounds for aeson to support aeson-0.8.
+
 ## 0.4.0.1
 
 - Fixed Bézier interpolation.
diff --git a/smoothie.cabal b/smoothie.cabal
--- a/smoothie.cabal
+++ b/smoothie.cabal
@@ -1,7 +1,7 @@
 name:                smoothie
-version:             0.4.0.1
+version:             0.4.0.2
 synopsis:            Smooth curves via several interpolation modes
-description:         This package exports several splines you can use
+description:         This package exports several splines you can use
                      to interpolate points in between. It includes instances for
                      <https://hackage.haskell.org/package/aeson aeson> so that
                      you can quickly store the splines and restore them.
@@ -37,7 +37,7 @@
   build-depends:       base   >= 4.7  && < 5.0
                      , linear >= 1.16 && < 1.20
                      , vector >= 0.10 && < 0.12
-                     , aeson  >= 0.9  && < 0.10
+                     , aeson  >= 0.8  && < 0.10
                      , text   >= 1.2  && < 1.3
 
   hs-source-dirs:      src