diff --git a/CHANGELOG.md b/CHANGELOG.md
index c2115c832..e6f52b1fe 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,10 @@ and this project adheres to
 - Add `appendix` field on `ContractDefinition` model
 - Allow to edit `appendix` `ContractDefinition` field through the back office
 
+### Changed
+
+- Make payment backend request timeout configurable
+
 ## [2.8.0] - 2024-10-16
 
 ### Added
diff --git a/src/backend/joanie/payment/backends/base.py b/src/backend/joanie/payment/backends/base.py
index 782f42401..ad4ae4d5b 100644
--- a/src/backend/joanie/payment/backends/base.py
+++ b/src/backend/joanie/payment/backends/base.py
@@ -27,6 +27,11 @@ class BasePaymentBackend:
 
     name = "base"
 
+    @property
+    def timeout(self):
+        """A class property to get the request timeout value from the settings"""
+        return settings.JOANIE_PAYMENT_BACKEND["timeout"]
+
     def __init__(self, configuration=None):
         self.configuration = configuration
 
diff --git a/src/backend/joanie/payment/backends/lyra/__init__.py b/src/backend/joanie/payment/backends/lyra/__init__.py
index 37c43f859..a4413dfb9 100644
--- a/src/backend/joanie/payment/backends/lyra/__init__.py
+++ b/src/backend/joanie/payment/backends/lyra/__init__.py
@@ -118,7 +118,9 @@ def _call_api(self, url, payload):
         logger.info("Calling Lyra API %s", url, extra={"context": context})
 
         try:
-            response = requests.post(url, json=payload, headers=self.headers, timeout=5)
+            response = requests.post(
+                url, json=payload, headers=self.headers, timeout=self.timeout
+            )
             response.raise_for_status()
         except requests.exceptions.RequestException as e:
             context = context.copy()
diff --git a/src/backend/joanie/settings.py b/src/backend/joanie/settings.py
index 24106f6ca..e62936ab2 100755
--- a/src/backend/joanie/settings.py
+++ b/src/backend/joanie/settings.py
@@ -414,6 +414,9 @@ class Base(Configuration):
             environ_name="JOANIE_PAYMENT_BACKEND",
             environ_prefix=None,
         ),
+        "timeout": values.PositiveIntegerValue(
+            5, environ_name="JOANIE_PAYMENT_TIMEOUT", environ_prefix=None
+        ),
         # Check the docstring of the related payment backend to know
         # which dict to pass here.
         "configuration": values.DictValue(
@@ -745,6 +748,7 @@ class Test(Base):
 
     JOANIE_PAYMENT_BACKEND = {
         "backend": "joanie.payment.backends.dummy.DummyPaymentBackend",
+        "timeout": 5,
     }
 
     JOANIE_SIGNATURE_BACKEND = "joanie.signature.backends.dummy.DummySignatureBackend"
diff --git a/src/backend/joanie/tests/payment/test_backend_base.py b/src/backend/joanie/tests/payment/test_backend_base.py
index b2f8cac77..20339da76 100644
--- a/src/backend/joanie/tests/payment/test_backend_base.py
+++ b/src/backend/joanie/tests/payment/test_backend_base.py
@@ -88,6 +88,19 @@ def test_payment_backend_base_configuration(self):
 
         self.assertEqual(backend.configuration, {"secret": "aDummyPassphraseForTest"})
 
+    @override_settings(
+        JOANIE_PAYMENT_BACKEND={
+            "backend": "joanie.core.payment.backends.dummy.DummyPaymentBackend",
+            "timeout": 42,
+        },
+    )
+    def test_payment_backend_base_request_timeout_is_configurable(self):
+        """
+        The request timeout should be configurable in the settings.
+        """
+        backend = BasePaymentBackend()
+        self.assertEqual(backend.timeout, 42)
+
     def test_payment_backend_base_create_payment_not_implemented(self):
         """Invoke create_payment should raise a Not ImplementedError"""
         backend = BasePaymentBackend()