diff --git a/Changelog.md b/Changelog.md
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,5 +1,8 @@
 # Changelog for `proto-lens-arbitrary`
 
+## v0.1.2.4
+- Bump the dependencies on `base` and `containers` to support `ghc-8.6.1`.
+
 ## v0.1.2.3
 - Update to (and require) `proto-lens-0.4.*`.
 
diff --git a/proto-lens-arbitrary.cabal b/proto-lens-arbitrary.cabal
--- a/proto-lens-arbitrary.cabal
+++ b/proto-lens-arbitrary.cabal
@@ -2,10 +2,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 99e285dd3595f41e7479771c32b16b9aeb707ea0b8433459399d80dc59c30899
+-- hash: 9f11e4882f5df632919175626103321c56982b0b77b493cfb66e921b6ffbe130
 
 name:           proto-lens-arbitrary
-version:        0.1.2.3
+version:        0.1.2.4
 synopsis:       Arbitrary instances for proto-lens.
 description:    The proto-lens-arbitrary allows generating arbitrary messages for use with QuickCheck.
 category:       Data
@@ -35,9 +35,9 @@
       src
   build-depends:
       QuickCheck >=2.8 && <2.12
-    , base >=4.9 && <4.12
+    , base >=4.9 && <4.13
     , bytestring ==0.10.*
-    , containers ==0.5.*
+    , containers >=0.5 && <0.7
     , lens-family ==1.2.*
     , proto-lens ==0.4.*
     , text ==1.2.*