diff --git a/uv.lock b/uv.lock
index f76ee81..6e246e6 100644
--- a/uv.lock
+++ b/uv.lock
@@ -409,6 +409,7 @@ source = { editable = "." }
 dependencies = [
     { name = "datalad" },
     { name = "gitpython" },
+    { name = "matplotlib" },
     { name = "pyerrors" },
     { name = "typer" },
 ]
@@ -427,6 +428,7 @@ dev = [
 requires-dist = [
     { name = "datalad", specifier = ">=1.1.0" },
     { name = "gitpython", specifier = ">=3.1.45" },
+    { name = "matplotlib", specifier = ">=3.10.7" },
     { name = "pyerrors", specifier = ">=2.11.1" },
     { name = "typer", specifier = ">=0.12.5" },
 ]