diff --git a/templates/versions/_past_version_list_item.html b/templates/versions/_past_version_list_item.html
index a03cac56..4aae2957 100644
--- a/templates/versions/_past_version_list_item.html
+++ b/templates/versions/_past_version_list_item.html
@@ -10,7 +10,7 @@
         <a href="#" class="w-full flex items-center justify-center px-8 py-3 border border-orange text-base font-medium rounded-md text-orange md:py-4 md:text-lg md:px-10"> Download </a>
       </div>
       <div class="mt-3 rounded-md shadow sm:mt-0 sm:ml-3">
-        <a href="{% url 'version-detail' v.pk %}" class="w-full flex items-center justify-center px-8 py-3 border border-steel text-base font-medium rounded-md text-orange md:py-4 md:text-lg md:px-10"> Version Details > </a>
+        <a href="{% url 'version-detail' v.slug %}" class="w-full flex items-center justify-center px-8 py-3 border border-steel text-base font-medium rounded-md text-orange md:py-4 md:text-lg md:px-10"> Version Details > </a>
       </div>
     </div>
   </div>
diff --git a/templates/versions/list.html b/templates/versions/list.html
index 1dfe5cd9..022fe303 100644
--- a/templates/versions/list.html
+++ b/templates/versions/list.html
@@ -25,7 +25,7 @@
             <a href="#" class="w-full flex items-center justify-center px-8 py-3 border border-orange text-base font-medium rounded-md text-orange md:py-4 md:text-lg md:px-10"> Download </a>
           </div>
           <div class="mt-3 rounded-md shadow sm:mt-0 sm:ml-3">
-            <a href="{% url 'version-detail' current_version.pk %}" class="w-full flex items-center justify-center px-8 py-3 border border-steel text-base font-medium rounded-md text-orange hover:bg-gray-50 md:py-4 md:text-lg md:px-10"> Version Details > </a>
+            <a href="{% url 'version-detail' current_version.slug %}" class="w-full flex items-center justify-center px-8 py-3 border border-steel text-base font-medium rounded-md text-orange hover:bg-gray-50 md:py-4 md:text-lg md:px-10"> Version Details > </a>
           </div>
         </div>
       </div>