diff --git a/requirements.txt b/requirements.txt
index 1546871..bcad336 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
 PyYAML~=6.0
-zserio~=2.14.1
+zserio>=2.15.0,<3
diff --git a/zs_yaml/_version.py b/zs_yaml/_version.py
index 8a6a08c..f770c01 100644
--- a/zs_yaml/_version.py
+++ b/zs_yaml/_version.py
@@ -1,2 +1,2 @@
 __commit_id__ = '7217bfe'
-__version__ = '0.6.0'
+__version__ = '0.6.1'
\ No newline at end of file