diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1e77414..5224b39 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 <!--next-version-placeholder-->
 
+## v1.4.20 (2023-06-11)
+
+
+
 ## v1.4.19 (2023-06-08)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index 052f75c..db1ad29 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "extrucal"
-version = "1.4.19"
+version = "1.4.20"
 description = "Provides functions for calculating various parameters in extrusion processes"
 authors = ["John W.S. Lee"]
 license = "MIT"