diff --git a/CHANGELOG.md b/CHANGELOG.md
index 76fddad..f10ed44 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,11 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to
 [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+# [2.1.5] - 2023-05-08
+
+### Changed
+- fix library
+
 # [2.1.4] - 2023-05-08
 
 ### Changed
diff --git a/deeplc/deeplc.py b/deeplc/deeplc.py
index c5cfc4a..887ac68 100644
--- a/deeplc/deeplc.py
+++ b/deeplc/deeplc.py
@@ -240,9 +240,6 @@ def __init__(
         self.use_library = use_library
         self.write_library = write_library
 
-        if self.use_library:
-            read_library(self.use_library)
-
         self.reload_library = reload_library
 
         tf.config.threading.set_intra_op_parallelism_threads(n_jobs)
diff --git a/setup.py b/setup.py
index 713871a..4e8b8a9 100644
--- a/setup.py
+++ b/setup.py
@@ -6,7 +6,7 @@
 
 setup(
     name='deeplc',
-    version='2.1.4',
+    version='2.1.5',
     license='apache-2.0',
     description='DeepLC: Retention time prediction for (modified) peptides using Deep Learning.',
     long_description=LONG_DESCRIPTION,