diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7c34ef9e..e93f41c5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-# 4.0.0.rc1 [#128](https://github.com/openfisca/country-template/pull/128)
+# 4.0.0 [#128](https://github.com/openfisca/country-template/pull/128)
 
 #### New features
 
diff --git a/setup.py b/setup.py
index f3cad412..fef04d2a 100644
--- a/setup.py
+++ b/setup.py
@@ -10,7 +10,7 @@
 
 setup(
     name = "OpenFisca-Country-Template",
-    version = "4.0.0.rc1",
+    version = "4.0.0",
     author = "OpenFisca Team",
     author_email = "contact@openfisca.org",
     classifiers = [
@@ -38,7 +38,7 @@
             ),
         ],
     install_requires = [
-        "OpenFisca-Core[web-api] >= 36.0.0.rc1, < 37.0.0",
+        "OpenFisca-Core[web-api] >= 38, < 39.0.0",
         ],
     extras_require = {
         "dev": [