diff --git a/CHANGELOG.md b/CHANGELOG.md
index aa3fca50..a6295572 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## v0.8.1 (2021-07-13)
+
+### Feat
+
+- **preprocessing**: allow setting experiment video `start` and `end` in `VideoData`
+
 ## v0.8.0 (2021-07-12)
 
 ### Feat
diff --git a/VERSION b/VERSION
index a3df0a69..6f4eebdf 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.8.0
+0.8.1
diff --git a/boiling_learning/model/_definitions/__init__.py b/boiling_learning/model/_definitions/__init__.py
index 38f09bf8..e69de29b 100644
--- a/boiling_learning/model/_definitions/__init__.py
+++ b/boiling_learning/model/_definitions/__init__.py
@@ -1,8 +0,0 @@
-from boiling_learning.model.definitions import (
-    HoboldNet1,
-    HoboldNet2,
-    HoboldNet3,
-    HoboldNetSupplementary,
-    KramerNet,
-    LinearRegression,
-)
diff --git a/pyproject.toml b/pyproject.toml
index 5aac3d70..a51f761d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ plugins = "numpy.typing.mypy_plugin"
 [tool.commitizen]
 tag_format = "v$major.$minor.$patch$prerelease"
 update_changelog_on_bump = true
-version = "0.8.0"
+version = "0.8.1"
 version_files = [
 	"VERSION",
 ]