diff --git a/CHANGELOG.md b/CHANGELOG.md
index 94c2c8c..ec92d92 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,14 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 <!-- insertion marker -->
+## [v0.1.8](https://github.com/alleninstitute/npc_stim/releases/tag/v0.1.8) - 2024-04-28
+
+<small>[Compare with v0.1.7](https://github.com/alleninstitute/npc_stim/compare/v0.1.7...v0.1.8)</small>
+
+### Fixed
+
+- Fix appending running times when data is missing ([95654e1](https://github.com/alleninstitute/npc_stim/commit/95654e13d886ff9e3bd3d77224a72aa07cc5f899) by bjhardcastle).
+
 ## [v0.1.7](https://github.com/alleninstitute/npc_stim/releases/tag/v0.1.7) - 2024-04-27
 
 <small>[Compare with v0.1.6](https://github.com/alleninstitute/npc_stim/compare/v0.1.6...v0.1.7)</small>
diff --git a/pyproject.toml b/pyproject.toml
index cfa2379..20e6ad4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ dependencies = [
     "npc-session>=0.1.33",
     "scipy>=1.12.0",
 ]
-version = "0.1.7"
+version = "0.1.8"
 classifiers = [
     "Development Status :: 3 - Alpha",
     "Programming Language :: Python :: 3",
diff --git a/src/npc_stim/running.py b/src/npc_stim/running.py
index 7e5b6fa..85489cb 100644
--- a/src/npc_stim/running.py
+++ b/src/npc_stim/running.py
@@ -40,7 +40,9 @@ def get_running_speed_from_stim_files(
     running_speed = np.array([])
     timestamps = np.array([])
 
-    def _append(values: npt.NDArray[np.floating], times: npt.NDArray[np.floating]) -> None:
+    def _append(
+        values: npt.NDArray[np.floating], times: npt.NDArray[np.floating]
+    ) -> None:
         if len(times) + 1 == len(values):
             values = values[1:]