diff --git a/ChunkCodecCore/CHANGELOG.md b/ChunkCodecCore/CHANGELOG.md
index b79879d..7907b19 100644
--- a/ChunkCodecCore/CHANGELOG.md
+++ b/ChunkCodecCore/CHANGELOG.md
@@ -6,6 +6,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## Unreleased
 
+## [v1.0.1](https://github.com/JuliaIO/ChunkCodecs.jl/tree/ChunkCodecCore-v1.0.1) - 2025-12-13
+
 - Added check for `Base.elsize` in `check_contiguous`. [#84](https://github.com/JuliaIO/ChunkCodecs.jl/pull/84)
 
 ## [v1.0.0](https://github.com/JuliaIO/ChunkCodecs.jl/tree/ChunkCodecCore-v1.0.0) - 2025-08-29
diff --git a/ChunkCodecCore/Project.toml b/ChunkCodecCore/Project.toml
index 054c725..33ced13 100644
--- a/ChunkCodecCore/Project.toml
+++ b/ChunkCodecCore/Project.toml
@@ -1,7 +1,7 @@
 name = "ChunkCodecCore"
 uuid = "0b6fb165-00bc-4d37-ab8b-79f91016dbe1"
 authors = ["nhz2 <nhz2@cornell.edu>"]
-version = "1.0.0"
+version = "1.0.1"
 
 [compat]
 julia = "1.6"