diff --git a/Changelog.md b/Changelog.md
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,5 +1,8 @@
 # Changelog for `proto-lens-optparse`
 
+## v0.1.1.3
+- Bump the upper bound to `proto-lens-0.4`.
+
 ## v0.1.1.2
 - Bump the lower bound on `base` to indicate we require `ghc>=8.0`.
 
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: e4cbed6f46021dc9d93ace9590ac626adcba4703d50a35d18943f999c966e9e2
+-- hash: fa3ad61c3641cdcd75598b80af78647ccea21644a004dfc6219de61e92b48120
 
 name:           proto-lens-optparse
-version:        0.1.1.2
+version:        0.1.1.3
 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
@@ -36,6 +36,6 @@
   build-depends:
       base >=4.9 && <4.12
     , optparse-applicative >=0.12 && <0.15
-    , proto-lens >=0.1 && <0.4
+    , proto-lens >=0.1 && <0.5
     , text ==1.2.*
   default-language: Haskell2010