diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 3636a7f..54b0065 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,3 +1,5 @@
+### 0.3.1
+
 - improve code readability in the radius_assign filter (Z limits part).
 - fix the script for MNx pre-processing (Z limits were inverted)
 - improve tests and test data
diff --git a/pdal_ign_macro/version.py b/pdal_ign_macro/version.py
index 74bd34b..e733abe 100755
--- a/pdal_ign_macro/version.py
+++ b/pdal_ign_macro/version.py
@@ -1,4 +1,4 @@
-__version__ = "0.3.0"
+__version__ = "0.3.1"
 
 
 if __name__ == "__main__":