diff --git a/agent/charms/testflinger-agent-charm/requirements.txt b/agent/charms/testflinger-agent-charm/requirements.txt
index 30f7ef00d..7e26f2ab4 100644
--- a/agent/charms/testflinger-agent-charm/requirements.txt
+++ b/agent/charms/testflinger-agent-charm/requirements.txt
@@ -1,3 +1,3 @@
 ops >= 1.4.0
 Jinja2==3.1.2
-GitPython==3.1.37
+GitPython==3.1.40