diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8b563cfb..b4be5c82 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 <!--next-version-placeholder-->
 
+## v0.13.1 (2023-02-01)
+
+
 ## v0.13.0 (2023-02-01)
 ### Feature
 * Merge branch 'search_optimise' ([`cb14905`](https://github.com/Teoroo-CMC/CCS/commit/cb149051cb0d770e0469e752db63539610c2e354))
diff --git a/pyproject.toml b/pyproject.toml
index 719d72df..df0cf995 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "ccs_fit"
-version = "0.13.0"
+version = "0.13.1"
 description = "Fitting tools for repulsive two body interactions using curvature constrained splines."
 authors = [
     "Akshay Krishna AK",