diff --git a/.circleci/config.yml b/.circleci/config.yml
index 40ba933cf0d9..2fa296746efb 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -98,7 +98,7 @@ commands:
     parameters:
       numpy_version:
         type: string
-        default: ""
+        default: "!=2.1.0"
     steps:
       - run:
           name: Install Python dependencies
diff --git a/doc/missing-references.json b/doc/missing-references.json
index a93a03b6ef73..87c9ce9b716f 100644
--- a/doc/missing-references.json
+++ b/doc/missing-references.json
@@ -356,7 +356,7 @@
       "lib/matplotlib/pyplot.py:docstring of matplotlib.pyplot.gci:4"
     ],
     "Line2D.pick": [
-      "doc/users/explain/figure/event_handling.rst:568"
+      "doc/users/explain/figure/event_handling.rst:571"
     ],
     "QuadContourSet.changed()": [
       "lib/matplotlib/axes/_axes.py:docstring of matplotlib.axes._axes.Axes.contour:156",
@@ -365,7 +365,7 @@
       "lib/matplotlib/pyplot.py:docstring of matplotlib.pyplot.contourf:156"
     ],
     "Rectangle.contains": [
-      "doc/users/explain/figure/event_handling.rst:280"
+      "doc/users/explain/figure/event_handling.rst:285"
     ],
     "Size.from_any": [
       "lib/mpl_toolkits/axes_grid1/axes_grid.py:docstring of mpl_toolkits.axes_grid1.axes_grid.ImageGrid:87",