diff --git a/Changelog.md b/Changelog.md
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,5 +1,8 @@
 # Changelog for `proto-lens-optparse`
 
+## v0.1.1.1
+- Bump the dependency on `base` for `ghc-8.4.2`.
+
 ## v0.1.1.0
 - Add MessageEnum ReadM and option builders (#181).
 
diff --git a/proto-lens-optparse.cabal b/proto-lens-optparse.cabal
--- a/proto-lens-optparse.cabal
+++ b/proto-lens-optparse.cabal
@@ -2,10 +2,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: fb04dc4a9f5b32b3fafbac2528f61972244ef20a009528c1b872a9542ac3165d
+-- hash: 98e3796d29f10bc1204cec717fc2ec31155d8fac5c5459ee3dda191f26c9b34c
 
 name:           proto-lens-optparse
-version:        0.1.1.0
+version:        0.1.1.1
 synopsis:       Adapting proto-lens to optparse-applicative ReadMs.
 description:    A package adapting proto-lens to optparse-applicative ReadMs. This gives an easy way to define options and arguments for text-format protobuf types.
 category:       Data
@@ -31,7 +31,7 @@
   hs-source-dirs:
       src
   build-depends:
-      base >=4.8 && <4.11
+      base >=4.8 && <4.12
     , optparse-applicative >=0.12 && <0.15
     , proto-lens >=0.1 && <0.4
     , text ==1.2.*