diff --git a/stylish-haskell.cabal b/stylish-haskell.cabal
--- a/stylish-haskell.cabal
+++ b/stylish-haskell.cabal
@@ -1,5 +1,5 @@
 Name:          stylish-haskell
-Version:       0.5.9.0
+Version:       0.5.9.1
 Synopsis:      Haskell code prettifier
 Homepage:      https://github.com/jaspervdj/stylish-haskell
 License:       BSD3
@@ -43,7 +43,7 @@
     Paths_stylish_haskell
 
   Build-depends:
-    aeson            >= 0.6  && < 0.7,
+    aeson            >= 0.6  && < 0.8,
     base             >= 4    && < 5,
     bytestring       >= 0.9  && < 0.11,
     containers       >= 0.3  && < 0.6,
@@ -64,7 +64,7 @@
     strict           >= 0.3  && < 0.4,
     cmdargs          >= 0.9  && < 0.11,
     -- Copied from regular dependencies...
-    aeson            >= 0.6  && < 0.7,
+    aeson            >= 0.6  && < 0.8,
     base             >= 4    && < 5,
     bytestring       >= 0.9  && < 0.11,
     containers       >= 0.3  && < 0.6,
@@ -96,7 +96,7 @@
     test-framework       >= 0.4 && < 0.9,
     test-framework-hunit >= 0.2 && < 0.4,
     -- Copied from regular dependencies...
-    aeson            >= 0.6  && < 0.7,
+    aeson            >= 0.6  && < 0.8,
     base             >= 4    && < 5,
     bytestring       >= 0.9  && < 0.11,
     cmdargs          >= 0.9  && < 0.11,