diff --git a/src/Rollbar/Item.hs b/src/Rollbar/Item.hs
--- a/src/Rollbar/Item.hs
+++ b/src/Rollbar/Item.hs
@@ -100,7 +100,6 @@
     )
 import Data.Aeson.Types (typeMismatch)
 import Data.Maybe       (fromMaybe)
-import Data.Version     (showVersion)
 
 import GHC.Generics (Generic)
 
@@ -135,8 +134,7 @@
 debug environment messageBody payload =
     Data
         { body = Message (fromMaybe "" messageBody) payload
-        , codeVersion =
-            SemVer . T.pack $ showVersion Paths_wai_middleware_rollbar.version
+        , codeVersion = Nothing
         , context = Nothing
         , custom = Nothing
         , environment = environment
diff --git a/src/Rollbar/Item/Data.hs b/src/Rollbar/Item/Data.hs
--- a/src/Rollbar/Item/Data.hs
+++ b/src/Rollbar/Item/Data.hs
@@ -69,8 +69,7 @@
 data Data body headers
     = Data
         { body        :: Body body
-        , codeVersion :: CodeVersion
-        -- ^ Metadata about this package. You probably shouldn't create this yourself.
+        , codeVersion :: Maybe CodeVersion
         , context     :: Maybe Context
         , custom      :: Maybe (HM.HashMap T.Text Value)
         , environment :: Environment
diff --git a/wai-middleware-rollbar.cabal b/wai-middleware-rollbar.cabal
--- a/wai-middleware-rollbar.cabal
+++ b/wai-middleware-rollbar.cabal
@@ -1,5 +1,5 @@
 name:                wai-middleware-rollbar
-version:             0.4.0
+version:             0.5.0
 synopsis:            Middleware that communicates to Rollbar.
 description:         Middleware that communicates to Rollbar.
 homepage:            https://github.com/joneshf/wai-middleware-rollbar#readme
@@ -12,7 +12,7 @@
 build-type:          Simple
 extra-source-files:  README.md
 cabal-version:       >=1.10
-tested-with:         GHC == 7.10.1, GHC == 7.10.2, GHC == 7.10.3, GHC == 8.0.1, GHC == 8.0.2
+tested-with:         GHC == 7.10.3, GHC == 8.0.2, GHC == 8.2.2
 
 library
   hs-source-dirs:      src
@@ -38,12 +38,12 @@
                      , bytestring >= 0.10 && < 0.11
                      , case-insensitive >= 1.2 && < 1.3
                      , hostname >= 1.0 && < 1.1
-                     , http-client >= 0.4 && < 0.6
-                     , http-conduit >= 2.1 && < 2.3
+                     , http-client >= 0.5 && < 0.6
+                     , http-conduit >= 2.2 && < 2.3
                      , http-types >= 0.9 && < 0.10
                      , network >= 2.6 && < 2.7
                      , text >= 1.2 && < 1.3
-                     , time >= 1.6 && < 1.7
+                     , time >= 1.6 && < 1.9
                      , unordered-containers >= 0.2 && < 0.3
                      , uuid >= 1.3 && < 1.4
                      , wai >= 3.2 && < 3.3
@@ -61,14 +61,14 @@
                      , Rollbar.Item.Request.Test
                      , Rollbar.QuickCheck
   build-depends:       base
-                     , QuickCheck >= 2.8 && < 2.10
+                     , QuickCheck >= 2.9 && < 2.11
                      , aeson
                      , bytestring
                      , case-insensitive
                      , containers >= 0.5 && < 0.6
-                     , hspec >= 2.2 && < 2.5
-                     , hspec-golden-aeson >= 0.2 && < 0.3
-                     , lens >= 4.14 && < 4.16
+                     , hspec >= 2.4 && < 2.5
+                     , hspec-golden-aeson >= 0.2 && < 0.4
+                     , lens >= 4.15 && < 4.16
                      , lens-aeson >= 1.0 && < 1.1
                      , text
                      , wai-middleware-rollbar