diff --git a/Cargo.lock b/Cargo.lock
index 412a09e4..02293a7e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1387,7 +1387,7 @@ checksum = "835a3dc7d1ec9e75e2b5fb4ba75396837112d2060b03f7d43bc1897c7f7211da"
 
 [[package]]
 name = "fibertools-rs"
-version = "0.4.1"
+version = "0.4.2"
 dependencies = [
  "anstyle",
  "anyhow",
diff --git a/Cargo.toml b/Cargo.toml
index 9dac8679..0790440e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ license = "MIT"
 name = "fibertools-rs"
 readme = "README.md"
 repository = "https://github.com/fiberseq/fibertools-rs"
-version = "0.4.1"
+version = "0.4.2"
 # exclude py-ft and test data from cargo publish since they are too large
 exclude = ["py-ft/", "tests/data/"]