diff --git a/umi_tools/version.py b/umi_tools/version.py
index 6b27eeeb..86716a71 100644
--- a/umi_tools/version.py
+++ b/umi_tools/version.py
@@ -1 +1 @@
-__version__ = "0.5.4"
+__version__ = "0.5.5"