diff --git a/doc/citing.rst b/doc/citing.rst
index d22673c53503..682e05b973d2 100644
--- a/doc/citing.rst
+++ b/doc/citing.rst
@@ -5,7 +5,7 @@ Citing Matplotlib
 
 If Matplotlib contributes to a project that leads to a scientific
 publication, please acknowledge this fact by citing `Hunter et al (2007)
-<http://doi.org/10.1109/MCSE.2007.55>`_ using this ready-made BibTeX entry:
+<https://doi.org/10.1109/MCSE.2007.55>`_ using this ready-made BibTeX entry:
 
 .. code-block:: bibtex
 
diff --git a/doc/faq/howto_faq.rst b/doc/faq/howto_faq.rst
index 83cff0830b39..f1ddfe8bd8e5 100644
--- a/doc/faq/howto_faq.rst
+++ b/doc/faq/howto_faq.rst
@@ -744,7 +744,7 @@ Cite Matplotlib
 If you want to refer to Matplotlib in a publication, you can use
 "Matplotlib: A 2D Graphics Environment" by J. D. Hunter In Computing
 in Science & Engineering, Vol. 9, No. 3. (2007), pp. 90-95 (see `this
-reference page <http://dx.doi.org/10.1109/MCSE.2007.55>`_)::
+reference page <https://doi.org/10.1109/MCSE.2007.55>`_)::
 
   @article{Hunter:2007,
 	  Address = {10662 LOS VAQUEROS CIRCLE, PO BOX 3014, LOS ALAMITOS, CA 90720-1314 USA},