diff --git a/CHANGELOG b/CHANGELOG
index 624b187..178c7b8 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,6 @@
+v0.6.1
+- Fix missing tmt_ms_level argument for tmt_requantify
+
 v0.6.0
 - Add cache folder option to reuse previously generated results from a different SIMSI run (#27)
 - Memory and runtime optimizations (#26)
diff --git a/pyproject.toml b/pyproject.toml
index 048486b..8d94a10 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "simsi_transfer"
-version = "0.6.0"
+version = "0.6.1"
 description = "Software-assisted reduction of missing values in phosphoproteomics and proteomics isobaric labeling data using MS2 spectrum clustering"
 authors = ["Firas Hamood <firas.hamood@tum.de>", "Matthew The <matthew.the@tum.de>"]
 license= "Apache-2.0"