diff --git a/CITATION.cff b/CITATION.cff
index 766a1d7d..7e256fed 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -1,7 +1,7 @@
 cff-version: 1.2.0
 message: "If you use leisaac, please cite it as follows."
 title: LeIsaac
-version: 0.3.0
+version: 0.4.0
 repository-code: https://github.com/LightwheelAI/leisaac
 type: software
 authors:
@@ -9,4 +9,4 @@ authors:
   - name: LeIsaac Project Developers
 url: https://lightwheelai.github.io/leisaac/
 license: Apache-2.0
-date-released: 2025-12-19
+date-released: 2026-04-14
diff --git a/README.md b/README.md
index 7dff3f9d..f081608c 100644
--- a/README.md
+++ b/README.md
@@ -41,8 +41,8 @@ license = {Apache-2.0},
 month = dec,
 title = {{LeIsaac}},
 url = {https://github.com/LightwheelAI/leisaac},
-version = {0.3.0},
-year = {2025}
+version = {0.4.0},
+year = {2026}
 }
 ```
 
diff --git a/source/leisaac/pyproject.toml b/source/leisaac/pyproject.toml
index 49c8cae3..2b489c12 100644
--- a/source/leisaac/pyproject.toml
+++ b/source/leisaac/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "leisaac"
-version = "0.3.0"
+version = "0.4.0"
 description = "leisaac: Lerobot & IsaacLab Integration"
 readme = "README.md"
 license = {text = "Apache-2.0"}