diff --git a/CHANGELOG.md b/CHANGELOG.md
index 62fd3ebe..40e0476a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+# 0.2.12 (March 4, 2024)
+
+* Add methods to allow trying to allocate in the `HeaderMap`, returning an error if oversize instead of panicking.
+* Fix `HeaderName::from_lowercase` that could allow NUL bytes in some cases.
+
 # 0.2.11 (November 13, 2023)
 
 * Fix MIRI error in `header::Iter`.
diff --git a/Cargo.toml b/Cargo.toml
index 25ca5011..39c46889 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,7 +4,7 @@ name = "http"
 # - Update html_root_url in lib.rs.
 # - Update CHANGELOG.md.
 # - Create git tag
-version = "0.2.11"
+version = "0.2.12"
 readme = "README.md"
 documentation = "https://docs.rs/http"
 repository = "https://github.com/hyperium/http"