diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,6 +1,6 @@
 # Revision history for hnix-store-core
 
-## (unreleased) 0.3.0.0 -- 2020-XY-ZV
+## 0.3.0.0 -- 2020-11-29
 
 * `System.Nix.Nar` changes API to support NAR format streaming:
   * `buildNarIO :: FilePath -> Handle -> IO ()` - Create a NAR from a regular filesystem object, stream it out on the Handle
diff --git a/hnix-store-core.cabal b/hnix-store-core.cabal
--- a/hnix-store-core.cabal
+++ b/hnix-store-core.cabal
@@ -1,5 +1,5 @@
 name:                hnix-store-core
-version:             0.3.0.0
+version:             0.3.0.1
 synopsis:            Core effects for interacting with the Nix store.
 description:
         This package contains types and functions needed to describe