diff --git a/dev-requirements.txt b/dev-requirements.txt
index 4eff22fb1..cfcd2190f 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -4,7 +4,7 @@
 #
 #    pip-compile --extra=dev --output-file=dev-requirements.txt pyproject.toml
 #
-aiosmtplib==3.0.2
+aiosmtplib==4.0.0
     # via modoboa (pyproject.toml)
 asgiref==3.8.1
     # via
diff --git a/ldap-requirements.txt b/ldap-requirements.txt
index 0fe53a809..9122b6960 100644
--- a/ldap-requirements.txt
+++ b/ldap-requirements.txt
@@ -4,7 +4,7 @@
 #
 #    pip-compile --extra=ldap --output-file=ldap-requirements.txt pyproject.toml
 #
-aiosmtplib==3.0.2
+aiosmtplib==4.0.0
     # via modoboa (pyproject.toml)
 asgiref==3.8.1
     # via
diff --git a/mysql-requirements.txt b/mysql-requirements.txt
index c1f55c41c..050c1d346 100644
--- a/mysql-requirements.txt
+++ b/mysql-requirements.txt
@@ -4,7 +4,7 @@
 #
 #    pip-compile --extra=mysql --output-file=mysql-requirements.txt pyproject.toml
 #
-aiosmtplib==3.0.2
+aiosmtplib==4.0.0
     # via modoboa (pyproject.toml)
 asgiref==3.8.1
     # via
diff --git a/postgresql-requirements.txt b/postgresql-requirements.txt
index b5c6677f4..ec745a59e 100644
--- a/postgresql-requirements.txt
+++ b/postgresql-requirements.txt
@@ -4,7 +4,7 @@
 #
 #    pip-compile --extra=postgresql --output-file=postgresql-requirements.txt pyproject.toml
 #
-aiosmtplib==3.0.2
+aiosmtplib==4.0.0
     # via modoboa (pyproject.toml)
 asgiref==3.8.1
     # via
diff --git a/requirements.txt b/requirements.txt
index 5d3070056..beb1ef146 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@
 #
 #    pip-compile --output-file=requirements.txt pyproject.toml
 #
-aiosmtplib==3.0.2
+aiosmtplib==4.0.0
     # via modoboa (pyproject.toml)
 asgiref==3.8.1
     # via
diff --git a/test-requirements.txt b/test-requirements.txt
index 79c099daa..a5a9c5d50 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -4,7 +4,7 @@
 #
 #    pip-compile --extra=test --output-file=test-requirements.txt pyproject.toml
 #
-aiosmtplib==3.0.2
+aiosmtplib==4.0.0
     # via modoboa (pyproject.toml)
 argon2-cffi==23.1.0
     # via modoboa (pyproject.toml)