diff --git a/lib/nulla_web/components/templates/page/sign_in.html.heex b/lib/nulla_web/components/templates/page/sign_in.html.heex
index 1cdbb55..225a331 100644
--- a/lib/nulla_web/components/templates/page/sign_in.html.heex
+++ b/lib/nulla_web/components/templates/page/sign_in.html.heex
@@ -1,5 +1,6 @@
 <main class="flex min-h-screen items-center justify-center">
   <form class="flex flex-col gap-2" action="/auth/sign_in" method="post">
+    <input type="hidden" name="_csrf_token" value={get_csrf_token()} />
     <label for="email">E-mail address *</label>
     <input id="email" name="email" type="email" maxlength="50" required />
     <label for="password">Password *</label>
diff --git a/lib/nulla_web/components/templates/page/sign_up.html.heex b/lib/nulla_web/components/templates/page/sign_up.html.heex
index db4190d..5541d0e 100644
--- a/lib/nulla_web/components/templates/page/sign_up.html.heex
+++ b/lib/nulla_web/components/templates/page/sign_up.html.heex
@@ -1,5 +1,6 @@
 <main class="flex min-h-screen items-center justify-center">
   <form class="flex flex-col gap-2" action="/auth" method="post">
+    <input type="hidden" name="_csrf_token" value={get_csrf_token()} />
     <label for="username">Username *</label>
     <input id="username" name="username" type="text" maxlength="30" required />
     <label for="email">E-mail address *</label>