diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,15 @@
+## [2.1.0](https://github.com/haskell-github-trust/effectful-data-cache/compare/2.0.2...2.1.0) (2026-10-26)
+
+### Features
+
+* add memcache backend ([ea47208](https://github.com/haskell-github-trust/effectful-data-cache/commit/ea47208f2e74ed0820e28d1786d2abcf4f4192b3))
+
+## [2.0.2](https://github.com/haskell-github-trust/effectful-data-cache/compare/2.0.1...2.0.2) (2026-10-25)
+
+### Bug Fixes
+
+* update opentelemetry sdk to 1 ([e770527](https://github.com/haskell-github-trust/effectful-data-cache/commit/e77052759667bd51f32da4ef64d9330892065112))
+
 ## [2.0.1](https://github.com/haskell-github-trust/effectful-data-cache/compare/2.0.0...2.0.1) (2026-10-25)
 
 ## [2.0.0](https://github.com/haskell-github-trust/effectful-data-cache/compare/1.0.4...2.0.0) (2026-10-09)
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -19,3 +19,8 @@
 
 See [effectful-data-cache-opentelemetry](effectful-data-cache-opentelemetry)
 for OpenTelemetry instrumentation.
+
+## memcached
+
+See [effectful-data-cache-memcache](effectful-data-cache-memcache) for a
+memcached backend.
diff --git a/effectful-data-cache.cabal b/effectful-data-cache.cabal
--- a/effectful-data-cache.cabal
+++ b/effectful-data-cache.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           effectful-data-cache
-version:        0.2.0.1
+version:        0.2.1.0
 synopsis:       Data cache effect for the `effectful` system
 description:    Please see the README on GitHub at <https://github.com/haskell-github-trust/effectful-data-cache#readme>
 category:       cache