diff --git a/CHANGELOG.md b/CHANGELOG.md
index beee6187f..a80a15a1b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,26 @@
-### unreleased
+### 0.4.0 (2020-09-15)
+* Fixes for GHC source plugins: dotpreprocessor works now - (srid)
+* Use implicit-hie when no explicit hie.yaml (#782) - (Javier Neira)
+* Extend position mapping with fuzzy ranges (#785) - (wz1000)
+* Sort import suggestions (#793) - (Pepe Iborra)
+* Save source files with HIE files (#701) - (fendor)
+* Fully asynchronous request handling (#767) - (Pepe Iborra)
+* Refinement holes (#748) - (Pepe Iborra)
+* Fix haddock to markdown conversion (#757) - (George Thomas)
+* Expose `getCompletionsLSP` to allow completions in hls (#756) - (wz1000)
+* Suggestions for missing imports from local modules (#739) - (Pepe Iborra)
+* Dynamically load libm on Linux for each new session (#723) - (Luke Lau)
+* Use InitializeParams.rootUri for initial session setup (#713) - (shaurya gupta)
+* Show documentation on hover for symbols defined in the same module (#691) - (wz1000)
+* Suggest open imports (#740) - (Pepe Iborra)
+* module Development.IDE (#724) - (Pepe Iborra)
+* Ignore -Werror (#738) - (Pepe Iborra)
+* Fix issue #710: fix suggest delete binding  (#728) - (Ray Shih)
+* Generate doc file URL via LSP (to fix it for Windows) (#721) - (Nick Dunets)
+* Fix `.hie` file location for `.hs-boot` files (#690) - (wz1000)
+* Use argsVerbose to determine log level in test mode (#717) - (Ziyang Liu)
+* output which cradle files were found (#716) - (Adam Sandberg Eriksson)
+* Typecheck entire project on Initial Load and typecheck reverse dependencies of a file on saving (#688) - (wz1000)
 
 ### 0.3.0 (2020-09-02)
 
diff --git a/ghcide.cabal b/ghcide.cabal
index 66ddac61a..046e596ed 100644
--- a/ghcide.cabal
+++ b/ghcide.cabal
@@ -2,7 +2,7 @@ cabal-version:      1.20
 build-type:         Simple
 category:           Development
 name:               ghcide
-version:            0.3.0
+version:            0.4.0
 license:            Apache-2.0
 license-file:       LICENSE
 author:             Digital Asset and Ghcide contributors
@@ -13,7 +13,7 @@ description:
     A library for building Haskell IDE's on top of the GHC API.
 homepage:           https://github.com/haskell/ghcide#readme
 bug-reports:        https://github.com/haskell/ghcide/issues
-tested-with:        GHC==8.6.5
+tested-with:        GHC>=8.4.4
 extra-source-files: include/ghc-api-version.h README.md CHANGELOG.md
                     test/data/hover/*.hs
                     test/data/multi/cabal.project