diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0f34f28..1863525 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+# 0.4.3
+
+- No changes to the library itself
+- Migrates the benchmark framework from `gauge` to `tasty-bench`
+
 # 0.4.2
 
 - Compatibility changes
diff --git a/README.md b/README.md
index 143f28a..5c0624c 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,10 @@ Benchmarks compared against plain `Map` and `Set`.
 
 Each of these benchmarks has two sets of point and errorbars, representing two datasets they are run against.
 
+**Notice**: the datasets are **not** included in the tarball distributed from Hackage.
+To run the benchmark, either get the entire repository from the source repository (GitHub) or
+modify the benchmark program and supply any dataset of your choice.
+
 ## About License
 
 [LICENSE](LICENSE) tells the licence of this project, EXCEPT
diff --git a/trie-simple.cabal b/trie-simple.cabal
index 7e235ee..e2a93d5 100644
--- a/trie-simple.cabal
+++ b/trie-simple.cabal
@@ -33,7 +33,7 @@ library
                        Data.Trie.Map.Internal
   other-modules:       Data.Trie.Set.Hidden,
                        Data.Trie.Map.Hidden
-  build-depends:       base         >= 4.14     && < 4.21,
+  build-depends:       base         >= 4.14     && < 4.22,
                        containers   >= 0.5.7.1 && < 0.8,
                        deepseq      >= 1.4.2.0 && < 1.6,
                        mtl          >= 2.2.1   && < 2.4,