diff --git a/pyproject.toml b/pyproject.toml
index 40974599b..035838eac 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -291,7 +291,7 @@ dev = [
     # We pin to an old doc8 to avoid version conflicts with sphinx_toolbox.
     # When we bump this, we can remove doc8.ini.
     "doc8==0.11.2",
-    "docker==6.1.2",
+    "docker==6.1.3",
     "dodgy==0.2.1",
     "enum-tools[sphinx]==0.9.0.post1",
     "freezegun==1.2.2",