diff --git a/src/composer.json b/src/composer.json
index 28880d0..ffc3d90 100644
--- a/src/composer.json
+++ b/src/composer.json
@@ -17,6 +17,7 @@
     "require": {
         "composer/installers": "^1.9",
         "drupal/auto_entitylabel": "3.x-dev@dev",
+        "drupal/cer": "^4.0@alpha",
         "drupal/core-composer-scaffold": "^9.1",
         "drupal/core-project-message": "^9.1",
         "drupal/core-recommended": "^9.1",
diff --git a/src/composer.lock b/src/composer.lock
index 54e9278..16b058a 100644
--- a/src/composer.lock
+++ b/src/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "ba8509570e549c6b9c926cbc9d83b5de",
+    "content-hash": "4eeee83ae9e23ffb17c0bf7d1370e3b3",
     "packages": [
         {
             "name": "alchemy/zippy",
@@ -2894,6 +2894,70 @@
             },
             "time": "2020-05-24T06:01:38+00:00"
         },
+        {
+            "name": "drupal/cer",
+            "version": "4.0.0-alpha3",
+            "source": {
+                "type": "git",
+                "url": "https://git.drupalcode.org/project/cer.git",
+                "reference": "8.x-4.0-alpha3"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://ftp.drupal.org/files/projects/cer-8.x-4.0-alpha3.zip",
+                "reference": "8.x-4.0-alpha3",
+                "shasum": "3c508e842a2c17235e4c9909ab64ef1aeb9d3ebe"
+            },
+            "require": {
+                "drupal/core": "^8 || ^9"
+            },
+            "type": "drupal-module",
+            "extra": {
+                "drupal": {
+                    "version": "8.x-4.0-alpha3",
+                    "datestamp": "1620240213",
+                    "security-coverage": {
+                        "status": "not-covered",
+                        "message": "Project has not opted into security advisory coverage!"
+                    }
+                }
+            },
+            "notification-url": "https://packages.drupal.org/8/downloads",
+            "license": [
+                "GPL-2.0-or-later"
+            ],
+            "authors": [
+                {
+                    "name": "bmcclure",
+                    "homepage": "https://www.drupal.org/user/278485"
+                },
+                {
+                    "name": "chertzog",
+                    "homepage": "https://www.drupal.org/user/806366"
+                },
+                {
+                    "name": "gcb",
+                    "homepage": "https://www.drupal.org/user/1682976"
+                },
+                {
+                    "name": "gregcube",
+                    "homepage": "https://www.drupal.org/user/336930"
+                },
+                {
+                    "name": "jrglasgow",
+                    "homepage": "https://www.drupal.org/user/36590"
+                },
+                {
+                    "name": "phenaproxima",
+                    "homepage": "https://www.drupal.org/user/205645"
+                }
+            ],
+            "description": "Allows user to create two-way references between entities.",
+            "homepage": "https://www.drupal.org/project/cer",
+            "support": {
+                "source": "https://git.drupalcode.org/project/cer"
+            }
+        },
         {
             "name": "drupal/config_devel",
             "version": "dev-1.x",
@@ -13005,6 +13069,7 @@
     "minimum-stability": "stable",
     "stability-flags": {
         "drupal/auto_entitylabel": 20,
+        "drupal/cer": 15,
         "drupal/insert": 20,
         "drupal/typed_data": 20,
         "drupal/autocomplete_deluxe": 5,
diff --git a/src/config/sync/cer.corresponding_reference.text_ref_creation.yml b/src/config/sync/cer.corresponding_reference.text_ref_creation.yml
new file mode 100644
index 0000000..f7e27fc
--- /dev/null
+++ b/src/config/sync/cer.corresponding_reference.text_ref_creation.yml
@@ -0,0 +1,13 @@
+uuid: 5107d53c-a6d5-416d-882c-63aee4751b5c
+langcode: fr
+status: true
+dependencies: {  }
+id: text_ref_creation
+label: 'Text ref <-> creation'
+enabled: true
+first_field: field_creations
+second_field: field_texte_de_depart
+bundles:
+  node:
+    - creation
+    - texte
diff --git a/src/config/sync/cer.corresponding_reference.textref_textprod.yml b/src/config/sync/cer.corresponding_reference.textref_textprod.yml
new file mode 100644
index 0000000..266c1db
--- /dev/null
+++ b/src/config/sync/cer.corresponding_reference.textref_textprod.yml
@@ -0,0 +1,13 @@
+uuid: 7ea287aa-c967-4b29-8bce-39826ef49b5b
+langcode: fr
+status: true
+dependencies: {  }
+id: textref_textprod
+label: 'Texte ref <-> text prod'
+enabled: true
+first_field: field_texte_de_depart
+second_field: field_textes_produits
+bundles:
+  node:
+    - texte
+    - texte_prod
diff --git a/src/config/sync/cer.corresponding_reference.textref_textref.yml b/src/config/sync/cer.corresponding_reference.textref_textref.yml
new file mode 100644
index 0000000..c0a99c8
--- /dev/null
+++ b/src/config/sync/cer.corresponding_reference.textref_textref.yml
@@ -0,0 +1,12 @@
+uuid: dca64f6c-7b7f-4aef-85ff-c870d200e559
+langcode: fr
+status: true
+dependencies: {  }
+id: textref_textref
+label: 'Text ref <-> texte ref'
+enabled: true
+first_field: field_texte_en_rebond
+second_field: field_texte_en_rebond
+bundles:
+  node:
+    - texte
diff --git a/src/config/sync/core.extension.yml b/src/config/sync/core.extension.yml
index 1c65dcf..e796947 100644
--- a/src/config/sync/core.extension.yml
+++ b/src/config/sync/core.extension.yml
@@ -14,6 +14,7 @@ module:
   block_class: 0
   breakpoint: 0
   bulkdelete: 0
+  cer: 0
   ckeditor: 0
   config: 0
   config_devel: 0