diff --git a/CHANGELOG.md b/CHANGELOG.md
index bfa6b31..3696574 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -239,3 +239,20 @@
 
 - N/A
 
+## [1.3.1] - 2024-04-02
+
+### Added
+
+- N/A
+
+### Changed
+
+- When checking the protein structure, don't include site with non-matching wildtype resides as "missing".
+
+### Deprecated
+
+- N/A
+
+### Removed
+
+- N/A
diff --git a/pyproject.toml b/pyproject.toml
index 4e4fc26..6e385a4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "configure-dms-viz"
-version = "1.3.0"
+version = "1.3.1"
 description = "Configure your data for visualization with dms-viz.github.io"
 authors = ["Will Hannon <hannonww@gmail.com>"]
 license = "MIT"