diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 0.4.2
+
+* New minor release (microlens-0.4.12.0, microlens-ghc-0.4.13).
+
 # 0.4.1
 
 * New minor release (microlens-ghc-0.4.12).
diff --git a/microlens-platform.cabal b/microlens-platform.cabal
--- a/microlens-platform.cabal
+++ b/microlens-platform.cabal
@@ -1,5 +1,5 @@
 name:                microlens-platform
-version:             0.4.1
+version:             0.4.2
 synopsis:            microlens + all batteries included (best for apps)
 description:
   This package exports a module which is the recommended starting point for using <http://hackage.haskell.org/package/microlens microlens> if you aren't trying to keep your dependencies minimal. By importing @Lens.Micro.Platform@ you get all functions and instances from <http://hackage.haskell.org/package/microlens microlens>, <http://hackage.haskell.org/package/microlens-th microlens-th>, <http://hackage.haskell.org/package/microlens-mtl microlens-mtl>, <http://hackage.haskell.org/package/microlens-ghc microlens-ghc>, as well as instances for @Vector@, @Text@, and @HashMap@.
@@ -27,6 +27,7 @@
                      GHC==8.4.4
                      GHC==8.6.5
                      GHC==8.8.1
+                     GHC==8.10.1
 
 source-repository head
   type:                git
@@ -39,13 +40,13 @@
   -- other-extensions:
   build-depends:       base >=4.5 && <5
                      , hashable >=1.1.2.3 && <1.4
-                     , microlens ==0.4.11.*
-                     , microlens-ghc ==0.4.12.*
+                     , microlens ==0.4.12.*
+                     , microlens-ghc ==0.4.13.*
                      , microlens-mtl ==0.2.0.*
                      , microlens-th ==0.4.3.*
                      , text >=0.11 && <1.3
                      , unordered-containers >=0.2.4 && <0.3
-                     , vector >=0.9 && <0.13
+                     , vector >=0.9 && <0.14
 
   ghc-options:
     -Wall -fwarn-tabs