diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2a570b87..451d7032 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,18 @@ All notable changes to this project will be documented in this file.
 ### Added
 
 ### Changed
+Bug fixes:
+- Fixed memory leak in method of `EphysNWBData` caused by `@lru_cache` decorator
+
+## [1.0.2] = 2021-01-06
+
+Changed:
+- Add features_state information to the pipeline output json
+- Improve performance of loading sweeps from NWB2 files by using LRU cache
+- More robust error checking when loading time_series
+
+Bug fixes:
+- Fix segment length rounding error in the DAT file converter
 
 ## [1.0.2] = 2021-01-06
 
diff --git a/ipfx/dataset/ephys_nwb_data.py b/ipfx/dataset/ephys_nwb_data.py
index 32d00c38..9cf06bb5 100644
--- a/ipfx/dataset/ephys_nwb_data.py
+++ b/ipfx/dataset/ephys_nwb_data.py
@@ -1,9 +1,8 @@
 from typing import Dict, Tuple, Sequence, Union, Type
 import warnings
-from functools import lru_cache
+from methodtools import lru_cache
 
 import numpy as np
-import pandas as pd
 from dateutil import parser as dateparser
 
 from io import BytesIO
diff --git a/ipfx/version.txt b/ipfx/version.txt
index e6d5cb83..21e8796a 100644
--- a/ipfx/version.txt
+++ b/ipfx/version.txt
@@ -1 +1 @@
-1.0.2
\ No newline at end of file
+1.0.3
diff --git a/requirements.txt b/requirements.txt
index 907948a0..01e6e4c2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,6 +4,7 @@ dictdiffer
 h5py==2.10.0
 marshmallow==3.0.0rc6
 matplotlib>=1.4.3
+methodtools
 numpy>=1.15.4,<1.19.0
 pandas>=0.25.1,<=0.25.3
 pg8000