diff --git a/README.markdown b/README.markdown
--- a/README.markdown
+++ b/README.markdown
@@ -4,6 +4,9 @@
 [![Hackage](https://img.shields.io/hackage/v/caerbannog)](https://hackage.haskell.org/package/caerbannog)
 [![Stackage](https://www.stackage.org/package/caerbannog/badge/nightly?label=stackage)](https://www.stackage.org/package/caerbannog)
 
+:warning:
+This package is not maintained anymore.
+
 Caerbannog is a fork of `binary-bits` that supports more recent versions of
 GHC. Documentation is available on Hackage:
 <https://hackage.haskell.org/package/caerbannog>.
diff --git a/caerbannog.cabal b/caerbannog.cabal
--- a/caerbannog.cabal
+++ b/caerbannog.cabal
@@ -1,10 +1,12 @@
 cabal-version: 2.2
 
 name: caerbannog
-version: 1.0.0.1
+version: 1.0.0.2
 
 synopsis: That rabbit's got a vicious streak a mile wide!
 description:
+  Warning: This package is not maintained anymore.
+  .
   Caerbannog is a drop in replacement for the @binary-bits@ package. Unlike
   @binary-bits@ Caerbannog works with GHC 8.10, 8.8, and 8.6.
   .
