diff --git a/CHANGELOG.md b/CHANGELOG.md
index 377b18e0..104fcef1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 
 
+## v0.20.40 (2022-06-05)
+
+### Feat
+
+- **model/training**: register training time, end epoch and history
+
 ## v0.20.39 (2022-06-04)
 
 ## v0.20.38 (2022-06-04)
diff --git a/pyproject.toml b/pyproject.toml
index 7d44fdde..e4f044a3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "boiling-learning"
-version = "0.20.39"
+version = "0.20.40"
 description = "Deep learning models for phase-change quantification and classification."
 authors = [
     {name = "Ruan Comelli", email = "ruancomelli@gmail.com"}
@@ -162,5 +162,5 @@ plugins = [
 [tool.commitizen]
 tag_format = "v$major.$minor.$patch$prerelease"
 update_changelog_on_bump = true
-version = "0.20.39"
+version = "0.20.40"
 version_files = ["pyproject.toml:version"]