diff --git a/CHANGELOG.md b/CHANGELOG.md
index f78be687..5b360b04 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 
 
+## v0.30.2 (2022-06-26)
+
+### Fix
+
+- **automl/tuning**: default batch size to `32`
+
 ## v0.30.1 (2022-06-26)
 
 ### Fix
diff --git a/pyproject.toml b/pyproject.toml
index 6ed997db..589860c0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "boiling-learning"
-version = "0.30.1"
+version = "0.30.2"
 description = "Deep learning models for phase-change quantification and classification."
 authors = [
     {name = "Ruan Comelli", email = "ruancomelli@gmail.com"}
@@ -149,5 +149,5 @@ plugins = [
 [tool.commitizen]
 tag_format = "v$major.$minor.$patch$prerelease"
 update_changelog_on_bump = true
-version = "0.30.1"
+version = "0.30.2"
 version_files = ["pyproject.toml:version"]