diff --git a/CHANGELOG.md b/CHANGELOG.md
index 25c2b253f..03af0b8ed 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+## [v0.2.5](https://github.com/allenai/OLMo/releases/tag/v0.2.5) - 2024-03-06
+
 ### Fixed
 
 - Fixed default value of `--tokenizer` argument to `scripts/prepare_tulu_data.py` to be an absolute path, not relative path, the script can be run from other directories.
diff --git a/olmo/version.py b/olmo/version.py
index 138cf8227..3f9d92c5b 100644
--- a/olmo/version.py
+++ b/olmo/version.py
@@ -2,7 +2,7 @@
 _MINOR = "2"
 # On main and in a nightly release the patch should be one ahead of the last
 # released build.
-_PATCH = "4"
+_PATCH = "5"
 # This is mainly for nightly builds which have the suffix ".dev$DATE". See
 # https://semver.org/#is-v123-a-semantic-version for the semantics.
 _SUFFIX = ""