diff --git a/client/qldbtools/requirements.txt b/client/qldbtools/requirements.txt
index b979ed2..e561400 100644
--- a/client/qldbtools/requirements.txt
+++ b/client/qldbtools/requirements.txt
@@ -58,6 +58,7 @@ pandocfilters==1.5.1
 parso==0.8.4
 pexpect==4.9.0
 platformdirs==4.2.2
+plumbum==1.9.0
 prometheus_client==0.20.0
 prompt_toolkit==3.0.47
 psutil==6.0.0