diff --git a/dhall-nixpkgs.cabal b/dhall-nixpkgs.cabal
--- a/dhall-nixpkgs.cabal
+++ b/dhall-nixpkgs.cabal
@@ -1,4 +1,4 @@
-Version:             1.0.8
+Version:             1.0.9
 Cabal-Version:       >=1.10
 Name:                dhall-nixpkgs
 Synopsis:            Convert Dhall projects to Nix packages
@@ -17,7 +17,7 @@
 Executable dhall-to-nixpkgs
   Main-Is:             Main.hs
   Build-Depends:       base                 >= 4.11     && < 5
-                     , aeson                >= 1.0.0.0  && < 2.1
+                     , aeson                >= 1.0.0.0  && < 2.2
                      , base16-bytestring    >= 1.0.0.0
                      , base64-bytestring    >= 1.1.0.0
                      , bytestring                          < 0.12