diff --git a/zip-0316.html b/zip-0316.html
index 99187b77..78ddc862 100644
--- a/zip-0316.html
+++ b/zip-0316.html
@@ -337,7 +337,7 @@ c^{n+m}}{q}\)</span>
                         <span class="math">\(\mathsf{ceiling}(\ell_R/\ell_H)-1]\)</span>
                     .</p>
                     <figure class="align-center" align="center">
-                        <img src="zip-0316-f4.png" />
+                        <img width="372px" src="zip-0316-f4.png" />
                         <figcaption>Diagram of 4-round unkeyed Feistel construction</figcaption>
                     </figure>
                     <p>(In practice the lengths
@@ -364,7 +364,7 @@ c^{n+m}}{q}\)</span>
                 <section id="heuristic-analysis"><h4><span class="section-heading">Heuristic analysis</span><span class="section-anchor"> <a rel="bookmark" href="#heuristic-analysis"><img width="24" height="24" src="assets/images/section-anchor.png" alt=""></a></span></h4>
                     <p>A 3-round unkeyed Feistel, as shown, is not sufficient:</p>
                     <figure class="align-center" align="center">
-                        <img src="zip-0316-f3.png" />
+                        <img width="372px" src="zip-0316-f3.png" />
                         <figcaption>Diagram of 3-round unkeyed Feistel construction</figcaption>
                     </figure>
                     <p>Suppose that an adversary has a target input/output pair
diff --git a/zip-0316.rst b/zip-0316.rst
index 9a5814a2..28f8a1e3 100644
--- a/zip-0316.rst
+++ b/zip-0316.rst
@@ -477,6 +477,7 @@ concatenation of
 :math:`\mathsf{ceiling}(\ell_R/\ell_H)-1]`.
 
 .. figure:: zip-0316-f4.png
+    :width: 372px
     :align: center
     :figclass: align-center
 
@@ -509,6 +510,7 @@ Heuristic analysis
 A 3-round unkeyed Feistel, as shown, is not sufficient:
 
 .. figure:: zip-0316-f3.png
+    :width: 372px
     :align: center
     :figclass: align-center