diff --git a/CHANGELOG.md b/CHANGELOG.md
index aa1c814..5fef71e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 ## Tools development version
 
+- fix: don't add extra newline to command stdout/stderr for `shell_run()` and `exec_in_context()`. (#10, @kelly-sovacool)
+
 ## Tools 0.1.0
 
 The Tools repository is now restructured as a Python package.