diff --git a/Changelog.md b/Changelog.md
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,6 +1,9 @@
 # Changelog for `proto-lens-protobuf-types`
 
 ## v0.4.0.0
+- Bump the dependency on `base` to support `ghc-8.6.1`.
+
+## v0.4.0.0
 - Switch to `proto-lens-{setup/runtime}` v0.4.
 - Bump the lens-labels dependency to `0.3.*` for consistency with other
   packages.
diff --git a/proto-lens-protobuf-types.cabal b/proto-lens-protobuf-types.cabal
--- a/proto-lens-protobuf-types.cabal
+++ b/proto-lens-protobuf-types.cabal
@@ -2,10 +2,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 421eb4f7d03eb52d16756452ce958b3abd20b3efbe80968d73e77b6943052841
+-- hash: 031e83f208de9429c1aa48634f89a64c2dcf956e05296c768373ee96dab31f6c
 
 name:           proto-lens-protobuf-types
-version:        0.4.0.0
+version:        0.4.0.1
 synopsis:       Basic protocol buffer message types.
 description:    This package provides bindings standard protocol message types, for use with the proto-lens library.
 category:       Data
@@ -34,7 +34,7 @@
 custom-setup
   setup-depends:
       Cabal
-    , base >=4.9 && <4.12
+    , base >=4.9 && <4.13
     , proto-lens-setup ==0.4.*
 
 library
@@ -55,7 +55,7 @@
   hs-source-dirs:
       src
   build-depends:
-      base >=4.9 && <4.12
+      base >=4.9 && <4.13
     , lens-labels ==0.3.*
     , proto-lens ==0.4.*
     , proto-lens-runtime ==0.4.*