diff --git a/templates/components/tools/rustup.hbs b/templates/components/tools/rustup.hbs
index abac3b140..a5b1a013c 100644
--- a/templates/components/tools/rustup.hbs
+++ b/templates/components/tools/rustup.hbs
@@ -1,7 +1,7 @@
 <div class="row">
   <div id="platform-instructions-unix" class="instructions db">
     <p>{{fluent "tools-rustup-unixy"}}</p>
-    <pre><code class="db w-100">curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh</code></pre>
+    <pre><code class="db w-100">curl --proto '=https' --tlsv1.3 -sSf https://sh.rustup.rs | sh</code></pre>
   </div>
   <div id="platform-instructions-win" class="instructions dn">
     <p>{{fluent "tools-rustup-windows-2"}}</p>
@@ -17,7 +17,7 @@
   </div>
   <h3 class="mt4">{{fluent "tools-rustup-wsl-heading"}}</h3>
   <p>{{fluent "tools-rustup-wsl"}}</p>
-  <pre><code class="db w-100">curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh</code></pre>
+  <pre><code class="db w-100">curl --proto '=https' --tlsv1.3 -sSf https://sh.rustup.rs | sh</code></pre>
   </div>
   <div id="platform-instructions-unknown" class="instructions dn">
     <!-- unrecognized platform: ask for help -->
@@ -39,7 +39,7 @@
       <p>
         {{fluent "tools-rustup-manual-unixy"}}
       </p>
-      <code class="db w-100">curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh</code>
+      <code class="db w-100">curl --proto '=https' --tlsv1.3 -sSf https://sh.rustup.rs | sh</code>
     </div>
     <hr>
     <div>
@@ -53,7 +53,7 @@
       <p>
         {{tools-rustup-manual-default}}
       </p>
-      <pre><code class="db w-100">curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh</code></pre>
+      <pre><code class="db w-100">curl --proto '=https' --tlsv1.3 -sSf https://sh.rustup.rs | sh</code></pre>
     </div>
     <hr>
     <div>