diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1e3345c0..d1119b87 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.4.2](https://github.com/CAST-genomics/haptools/compare/v0.4.1...v0.4.2) (2024-06-14)
+
+
+### Bug Fixes
+
+* mention that versions must be synced in CI/CD ([35e14c0](https://github.com/CAST-genomics/haptools/commit/35e14c0da07325985c72c0919c02d245f0a3c635))
+
 ## [0.4.1](https://github.com/CAST-genomics/haptools/compare/v0.4.0...v0.4.1) (2024-06-13)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index f26f941a..829992f3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "haptools"
-version = "0.4.1"
+version = "0.4.2"
 description = "Ancestry and haplotype aware simulation of genotypes and phenotypes for complex trait analysis"
 authors = ["Arya Massarat", "Michael Lamkin"]
 license = "MIT"