diff --git a/package.yaml b/package.yaml
--- a/package.yaml
+++ b/package.yaml
@@ -1,5 +1,5 @@
 name: rfc-prelude
-version: 0.0.0.1
+version: 0.0.0.2
 synopsis: The Prelude from the Robert Fischer Commons.
 description: >
   A Prelude deriving from @Classy-Prelude@ which provides additional useful bits of 
@@ -14,21 +14,21 @@
 <<: *defaults
 
 dependencies:
-  - aeson >= 1.4
-  - base >= 4.10 && < 5
-  - bifunctors >= 5.5
+  - aeson >= 1.1
+  - base >= 4.9 && < 5
+  - bifunctors >= 5.4 
   - bytestring >= 0.10
   - classy-prelude >= 1.4
   - containers >= 0.5
   - data-default >= 0.7
   - http-api-data >= 0.3
   - integer-logarithms >= 1.0
-  - lens >= 4.16 
+  - lens >= 4.15
   - monad-control >= 1.0
   - network-uri >= 2.6
   - text >= 1.2
   - text-conversions >= 0.3
-  - time >= 1.8
+  - time >= 1.6
   - time-units >= 1.0
   - transformers >= 0.5
   - tuple >= 0.3
diff --git a/rfc-prelude.cabal b/rfc-prelude.cabal
--- a/rfc-prelude.cabal
+++ b/rfc-prelude.cabal
@@ -2,10 +2,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 15bad05c0ba7f3c13be13ecef62a6614d6acdfeee1978c4e17e252a250e36f00
+-- hash: ad258b466761e98bd580baa0068cf57f6cb4cf386d8918311fe6eeed66aa0a6b
 
 name:           rfc-prelude
-version:        0.0.0.1
+version:        0.0.0.2
 synopsis:       The Prelude from the Robert Fischer Commons.
 description:    A Prelude deriving from @Classy-Prelude@ which provides additional useful bits of  functionality and convenient names.
 category:       prelude
@@ -49,21 +49,21 @@
   default-extensions: ApplicativeDo BangPatterns ConstraintKinds DataKinds DefaultSignatures DeriveFoldable DeriveFunctor DeriveGeneric DeriveLift DeriveTraversable ExistentialQuantification FlexibleContexts FlexibleInstances FunctionalDependencies GADTs GeneralizedNewtypeDeriving InstanceSigs KindSignatures LambdaCase MultiParamTypeClasses MultiWayIf NamedFieldPuns PatternSynonyms RankNTypes ScopedTypeVariables StandaloneDeriving TupleSections TypeApplications TypeFamilies TypeFamilyDependencies TypeOperators RebindableSyntax MonadFailDesugaring DisambiguateRecordFields
   ghc-options: -Wall -Wcompat -Wincomplete-record-updates -Wincomplete-uni-patterns -Wredundant-constraints -fno-max-relevant-binds -fprint-potential-instances -fprint-explicit-foralls -Wno-missing-monadfail-instances -fno-warn-name-shadowing -fno-warn-tabs -fno-warn-orphans -Wnoncanonical-monad-instances -Wall-missed-specialisations -Wnoncanonical-monadfail-instances -Wimplicit-prelude -Wmissing-exported-signatures -Widentities -j
   build-depends:
-      aeson >=1.4
-    , base >=4.10 && <5
-    , bifunctors >=5.5
+      aeson >=1.1
+    , base >=4.9 && <5
+    , bifunctors >=5.4
     , bytestring >=0.10
     , classy-prelude >=1.4
     , containers >=0.5
     , data-default >=0.7
     , http-api-data >=0.3
     , integer-logarithms >=1.0
-    , lens >=4.16
+    , lens >=4.15
     , monad-control >=1.0
     , network-uri >=2.6
     , text >=1.2
     , text-conversions >=0.3
-    , time >=1.8
+    , time >=1.6
     , time-units >=1.0
     , transformers >=0.5
     , tuple >=0.3