diff --git a/CHANGES b/CHANGES
index bb9a35c9..41a7c13b 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,4 +1,4 @@
-Unreleased
+Changes in 0.18
   - Don't use unqualified references to `stderr` or `stdout` which may collide with definitions in user code. (#201)
   - Remove support for cabal-install sandboxes. They have been obsoleted in practice by Nix-style builds in cabal-install (i.e., the `v2-*` commands) and stack.
 
diff --git a/doctest.cabal b/doctest.cabal
index 69000ba9..2aa85515 100644
--- a/doctest.cabal
+++ b/doctest.cabal
@@ -4,10 +4,10 @@ cabal-version: 1.12
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 08c296b67e1ff54f151daac0aca78fb78df990a150ac779734358c5ff2128fc2
+-- hash: a5f986d148ee2304fff5f9d670fcb819b4c821e8f1c9f43497020870a53475ef
 
 name:           doctest
-version:        0.17
+version:        0.18
 synopsis:       Test interactive Haskell examples
 description:    The doctest program checks examples in source code comments.  It is modeled
                 after doctest for Python (<https://docs.python.org/3/library/doctest.html>).
diff --git a/package.yaml b/package.yaml
index ac567f3c..8dc54ee3 100644
--- a/package.yaml
+++ b/package.yaml
@@ -1,5 +1,5 @@
 name:             doctest
-version:          0.17
+version:          0.18
 synopsis:         Test interactive Haskell examples
 description: |
   The doctest program checks examples in source code comments.  It is modeled