diff --git a/CHANGES.md b/CHANGES.md
index 4d8816b1f..42acf0c96 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,4 +1,28 @@
 
+3.1.163-RC21 / 2024-06-25
+=========================
+
+  * fix: descomenta código pertencente ao commit anterior
+  * fix: elimina dupla extração de assinaturas eletrônicas
+  * fix: remove listagem pública de OperadorAutor
+  * fix: altera campo de 'resultado' ao registrar leitura em bloco
+  * bump version gunicorn in setup.py
+  * rebuild frontend
+  * fix dependabot alerts #61 - bump version axios
+  * fix: ajuste no conjunto inicial de permissões na construção de classe crud
+  * Impl Mixin para gerar arquivos de pesq em diversos formatos (#3710)
+  * Fix estatistica norma view (#3707)
+  * bump version gunicorn, pillow
+  * Build(deps): Bump pillow from 10.0.1 to 10.3.0 in /requirements (#3709)
+  * fix: corrige display de data e hora de protocolor manual
+  * fix: corrige carga de permissões públicas do crud
+  * Add blank space when SAPN
+  * fix: corrige bug na pesquisa de impressos etiquetas (#3695)
+  * feat: adiciona o turno na info de materias na pauta de sessao (#3694)
+  * fix: invert lógica do sapln_switch
+  * fix: Update docker-compose.yaml
+  * Update CHANGES.md
+
 3.1.163-RC20 / 2023-12-04
 =========================
 
diff --git a/docker/docker-compose.yaml b/docker/docker-compose.yaml
index 9f6f15f7a..5541b5ac1 100644
--- a/docker/docker-compose.yaml
+++ b/docker/docker-compose.yaml
@@ -32,7 +32,7 @@ services:
     networks:
       - sapl-net
   sapl:
-    image: interlegis/sapl:3.1.163-RC20
+    image: interlegis/sapl:3.1.163-RC21
 #    build:
 #      context: ../
 #      dockerfile: ./docker/Dockerfile
diff --git a/sapl/settings.py b/sapl/settings.py
index 0dbd1735a..e811efdd6 100644
--- a/sapl/settings.py
+++ b/sapl/settings.py
@@ -41,7 +41,7 @@
 LOGIN_REDIRECT_URL = '/'
 LOGIN_URL = '/login/?next='
 
-SAPL_VERSION = '3.1.163-RC20'
+SAPL_VERSION = '3.1.163-RC21'
 
 if DEBUG:
     EMAIL_BACKEND = 'django.core.mail.backends.console.EmailBackend'
diff --git a/sapl/templates/base.html b/sapl/templates/base.html
index 42fee7ee8..d8f222965 100644
--- a/sapl/templates/base.html
+++ b/sapl/templates/base.html
@@ -192,7 +192,7 @@ <h1 class="page-header">
                 <small>
                   Desenvolvido pelo <a href="http://www.interlegis.leg.br/">Interlegis</a> em software livre e aberto.
                 </small>
-		<span>Release: 3.1.163-RC20</span>
+		<span>Release: 3.1.163-RC21</span>
               </p>
 
             </div>
diff --git a/setup.py b/setup.py
index 0a2fd87e7..e15abba68 100644
--- a/setup.py
+++ b/setup.py
@@ -39,7 +39,7 @@
 ]
 setup(
     name='interlegis-sapl',
-    version='3.1.163-RC20',
+    version='3.1.163-RC21',
     packages=find_packages(),
     include_package_data=True,
     license='GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007',