diff --git a/config/packages/dev/monolog.yaml b/config/packages/dev/monolog.yaml
deleted file mode 100644
index 423fc10..0000000
--- a/config/packages/dev/monolog.yaml
+++ /dev/null
@@ -1,21 +0,0 @@
-monolog:
-    handlers:
-        main:
-            type: stream
-            path: "%kernel.logs_dir%/%kernel.environment%.log"
-            level: debug
-            channels: ["!event"]
-        # uncomment to get logging in your browser
-        # you may have to allow bigger header sizes in your Web server configuration
-        #firephp:
-        #    type: firephp
-        #    level: info
-        #chromephp:
-        #    type: chromephp
-        #    level: info
-        console:
-            type: console
-            process_psr_3_messages: false
-            channels: ['!event', '!doctrine', '!console']
-            bubble: false
-
diff --git a/config/packages/monolog.yaml b/config/packages/monolog.yaml
new file mode 100644
index 0000000..6ba3347
--- /dev/null
+++ b/config/packages/monolog.yaml
@@ -0,0 +1,62 @@
+monolog:
+    channels:
+        - deprecation # Deprecations are logged in the dedicated "deprecation" channel when it exists
+
+when@dev:
+    monolog:
+        handlers:
+            main:
+                type: stream
+                path: "%kernel.logs_dir%/%kernel.environment%.log"
+                level: debug
+                channels: ["!event"]
+            # uncomment to get logging in your browser
+            # you may have to allow bigger header sizes in your Web server configuration
+            #firephp:
+            #    type: firephp
+            #    level: info
+            #chromephp:
+            #    type: chromephp
+            #    level: info
+            console:
+                type: console
+                process_psr_3_messages: false
+                channels: ["!event", "!doctrine", "!console"]
+
+when@test:
+    monolog:
+        handlers:
+            main:
+                type: fingers_crossed
+                action_level: error
+                handler: nested
+                excluded_http_codes: [404, 405]
+                channels: ["!event"]
+            nested:
+                type: stream
+                path: "%kernel.logs_dir%/%kernel.environment%.log"
+                level: debug
+
+# those comes from the symfony recipe. But this is overriden by the ./prod/monolog.yaml config
+# when@prod:
+#     monolog:
+#         handlers:
+#             main:
+#                 type: fingers_crossed
+#                 action_level: error
+#                 handler: nested
+#                 excluded_http_codes: [404, 405]
+#                 buffer_size: 50 # How many messages should be saved? Prevent memory leaks
+#             nested:
+#                 type: stream
+#                 path: php://stderr
+#                 level: debug
+#                 formatter: monolog.formatter.json
+#             console:
+#                 type: console
+#                 process_psr_3_messages: false
+#                 channels: ["!event", "!doctrine"]
+#             deprecation:
+#                 type: stream
+#                 channels: [deprecation]
+#                 path: php://stderr
diff --git a/config/packages/prod/deprecations.yaml b/config/packages/prod/deprecations.yaml
deleted file mode 100644
index 920a061..0000000
--- a/config/packages/prod/deprecations.yaml
+++ /dev/null
@@ -1,8 +0,0 @@
-# As of Symfony 5.1, deprecations are logged in the dedicated "deprecation" channel when it exists
-#monolog:
-#    channels: [deprecation]
-#    handlers:
-#        deprecation:
-#            type: stream
-#            channels: [deprecation]
-#            path: "%kernel.logs_dir%/%kernel.environment%.deprecations.log"
diff --git a/config/packages/prod/monolog.yaml b/config/packages/prod/monolog.yaml
index e3a255d..e4a85e4 100644
--- a/config/packages/prod/monolog.yaml
+++ b/config/packages/prod/monolog.yaml
@@ -25,6 +25,7 @@ monolog:
             id: monolog.gelf_handler
             level: info
             channels: ['!event', '!php']
+            excluded_http_codes: [404, 405]
 
         console:
             type: console
diff --git a/config/packages/test/monolog.yaml b/config/packages/test/monolog.yaml
deleted file mode 100644
index fc40641..0000000
--- a/config/packages/test/monolog.yaml
+++ /dev/null
@@ -1,12 +0,0 @@
-monolog:
-    handlers:
-        main:
-            type: fingers_crossed
-            action_level: error
-            handler: nested
-            excluded_http_codes: [404, 405]
-            channels: ["!event"]
-        nested:
-            type: stream
-            path: "%kernel.logs_dir%/%kernel.environment%.log"
-            level: debug
diff --git a/symfony.lock b/symfony.lock
index 4c5890c..fb6078c 100644
--- a/symfony.lock
+++ b/symfony.lock
@@ -604,18 +604,15 @@
         "version": "v5.1.3"
     },
     "symfony/monolog-bundle": {
-        "version": "3.3",
+        "version": "3.8",
         "recipe": {
             "repo": "github.com/symfony/recipes",
-            "branch": "master",
-            "version": "3.3",
-            "ref": "d7249f7d560f6736115eee1851d02a65826f0a56"
+            "branch": "main",
+            "version": "3.7",
+            "ref": "213676c4ec929f046dfde5ea8e97625b81bc0578"
         },
         "files": [
-            "config/packages/dev/monolog.yaml",
-            "config/packages/prod/deprecations.yaml",
-            "config/packages/prod/monolog.yaml",
-            "config/packages/test/monolog.yaml"
+            "config/packages/monolog.yaml"
         ]
     },
     "symfony/options-resolver": {