diff --git a/IPv6DB.cabal b/IPv6DB.cabal
--- a/IPv6DB.cabal
+++ b/IPv6DB.cabal
@@ -1,5 +1,5 @@
 name:                IPv6DB
-version:             0.3.0
+version:             0.3.1
 synopsis:            A RESTful microService for IPv6-related data
 description:         IPv6DB is a RESTful microservice using Redis as backend
                      to store lists of IPv6 addresses and attach to each of
@@ -24,7 +24,7 @@
 library
   hs-source-dirs:     src
   exposed-modules:    Network.IPv6DB.Types 
-  build-depends:      aeson                >= 0.11.2 && < 1.4
+  build-depends:      aeson                >= 0.11.2 && < 1.5
                     , attoparsec           >= 0.13.1.0 && < 0.14
                     , base                 >= 4.8.2 && < 5.0
                     , bytestring           >= 0.10.6 && < 0.11
@@ -43,7 +43,7 @@
   other-modules:    Options
                   , Queries
                   , Types
-  build-depends:    aeson                >= 0.11.2 && < 1.4
+  build-depends:    aeson                >= 0.11.2 && < 1.5
                   , base                 >= 4.8.2 && < 5.0
                   , bytestring           >= 0.10.6 && < 0.11
                   , fast-logger          >= 2.4.8 && < 2.5
@@ -67,7 +67,7 @@
   type:               exitcode-stdio-1.0
   hs-source-dirs:     tests
   main-is:            hspec.hs
-  build-depends:      aeson       >= 0.11.2 && < 1.4
+  build-depends:      aeson       >= 0.11.2 && < 1.5
                     , hspec       >= 2.1.10 && < 2.6
                     , base        >= 4.8.2 && < 5
                     , IPv6DB