diff --git a/IPv6DB.cabal b/IPv6DB.cabal
--- a/IPv6DB.cabal
+++ b/IPv6DB.cabal
@@ -1,5 +1,5 @@
 name:                IPv6DB
-version:             0.2.5
+version:             0.2.6
 synopsis:            A RESTful Web Service 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
@@ -24,9 +24,9 @@
 library
   hs-source-dirs:     src
   exposed-modules:    Network.IPv6DB.Types 
-  build-depends:      aeson                >= 0.11.2 && < 1.3
+  build-depends:      aeson                >= 0.11.2 && < 1.4
                     , attoparsec           >= 0.13.1.0 && < 0.14
-                    , base                 >= 4.9.0 && < 5.0
+                    , base                 >= 4.8.2 && < 5.0
                     , bytestring           >= 0.10.6 && < 0.11
                     , IPv6Addr             >= 1.0.0 && < 1.1.0
                     , hedis                >= 0.9.4 && < 0.11
@@ -43,8 +43,8 @@
   other-modules:    Options
                   , Queries
                   , Types
-  build-depends:    aeson                >= 0.11.2 && < 1.3
-                  , base                 >= 4.9.0 && < 5.0
+  build-depends:    aeson                >= 0.11.2 && < 1.4
+                  , base                 >= 4.8.2 && < 5.0
                   , bytestring           >= 0.10.6 && < 0.11
                   , fast-logger          >= 2.4.8 && < 2.5
                   , IPv6Addr             >= 1.0.0 && < 1.1.0
@@ -57,7 +57,7 @@
                   , text                 >= 1.2.2 && < 1.3
                   , vector               >= 0.11.0.0 && < 0.13
                   , wai                  >= 3.2.1 && < 3.3
-                  , wai-logger           >= 2.3.0 && <2.4
+                  , wai-logger           >= 2.2.7 && < 2.4
                   , warp                 >= 3.2.9 && < 3.3
 
   default-language:  Haskell2010
@@ -67,9 +67,9 @@
   type:               exitcode-stdio-1.0
   hs-source-dirs:     tests
   main-is:            hspec.hs
-  build-depends:      aeson       >= 0.11.2 && < 1.3
-                    , hspec       >= 2.1.10 && < 2.5
-                    , base        >= 4.8 && < 5
+  build-depends:      aeson       >= 0.11.2 && < 1.4
+                    , hspec       >= 2.1.10 && < 2.6
+                    , base        >= 4.8.2 && < 5
                     , IPv6DB
                     , vector      >= 0.11.0.0 && < 0.13
                     , http-client >= 0.4.31.2 && < 0.6
