diff --git a/CHANGELOG.md b/CHANGELOG.md
index 336fb96..b6187a3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 0.5.0 (Unreleased)
+## 0.5.0 (2023-08-17)
   * support GHC 9.2 - 9.6
   * extract generic serializing & parsing into separate library. yes, I wrote
     generic generics. what are you going to do about it
diff --git a/binrep.cabal b/binrep.cabal
index f377062..b544be4 100644
--- a/binrep.cabal
+++ b/binrep.cabal
@@ -5,7 +5,7 @@ cabal-version: 1.12
 -- see: https://github.com/sol/hpack
 
 name:           binrep
-version:        0.4.0
+version:        0.5.0
 synopsis:       Encode precise binary representations directly in types
 description:    Please see README.md.
 category:       Data, Serialization
diff --git a/package.yaml b/package.yaml
index d0e18ee..cdd5d0e 100644
--- a/package.yaml
+++ b/package.yaml
@@ -1,5 +1,5 @@
 name: binrep
-version: 0.4.0
+version: 0.5.0
 synopsis: Encode precise binary representations directly in types
 description: Please see README.md.
 extra-source-files: