diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index ff1c7af5..0befe35d 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "3.3.0"
+  ".": "3.3.1"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0dc22e5f..a462aedf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [3.3.1](https://github.com/Loop3D/map2loop/compare/v3.3.0...v3.3.1) (2026-01-31)
+
+
+### Bug Fixes
+
+* use first line from shapely and add all dip/thickness estimates ([#246](https://github.com/Loop3D/map2loop/issues/246)) ([381d13f](https://github.com/Loop3D/map2loop/commit/381d13fb2b281568f81fd959139f6b3ac292df18))
+
 ## [3.3.0](https://github.com/Loop3D/map2loop/compare/v3.2.10...v3.3.0) (2026-01-22)
 
 
diff --git a/map2loop/version.py b/map2loop/version.py
index 88c513ea..ff041687 100644
--- a/map2loop/version.py
+++ b/map2loop/version.py
@@ -1 +1 @@
-__version__ = "3.3.0"
+__version__ = "3.3.1"