diff --git a/CHANGELOG.md b/CHANGELOG.md
index 75479f3..1de8dc3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 - Fixed merging many files running out the size limit of dictionary indices.
 
+
 ## [0.1.19] 2023-04-14
 
 ### Changed
diff --git a/python/pod5/pyproject.toml b/python/pod5/pyproject.toml
index e0bce7c..00cb82f 100644
--- a/python/pod5/pyproject.toml
+++ b/python/pod5/pyproject.toml
@@ -30,7 +30,7 @@ classifiers=[
 dependencies = [
     "iso8601",
     "jsonschema",
-    "lib_pod5 ~= 0.1.19dev0",
+    "lib_pod5 ~= 0.1.20dev0",
     "more_itertools",
     "numpy >= 1.20.0",
     "pyarrow ~= 11.0.0",