diff --git a/changes/878.changed b/changes/878.changed
new file mode 100644
index 000000000..92d0d52ec
--- /dev/null
+++ b/changes/878.changed
@@ -0,0 +1 @@
+`MinIO` is now the default S3 storage, instead of `localstack`.
diff --git a/charts/substra-backend/CHANGELOG.md b/charts/substra-backend/CHANGELOG.md
index 128b2fc7d..d48205f1c 100644
--- a/charts/substra-backend/CHANGELOG.md
+++ b/charts/substra-backend/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 <!-- towncrier release notes start -->
 
+## [25.1.0] - 2024-04-04
+
+### Changed
+
+- The default S3 storage is now MinIO, instead of localstack.
+
+
 ## [25.0.0] - 2024-04-03
 
 ### Changed
diff --git a/charts/substra-backend/Chart.yaml b/charts/substra-backend/Chart.yaml
index 98c3cb085..c5f2f599a 100644
--- a/charts/substra-backend/Chart.yaml
+++ b/charts/substra-backend/Chart.yaml
@@ -1,7 +1,7 @@
 apiVersion: v2
 name: substra-backend
 home: https://github.com/Substra
-version: 25.0.0
+version: 25.1.0
 appVersion: 0.45.0
 kubeVersion: ">= 1.19.0-0"
 description: Main package for Substra
diff --git a/charts/substra-backend/values.yaml b/charts/substra-backend/values.yaml
index 87411af0e..219999055 100644
--- a/charts/substra-backend/values.yaml
+++ b/charts/substra-backend/values.yaml
@@ -872,7 +872,7 @@ docker-registry:
 ## @skip minio
 ##
 minio:
-  enabled: false
+  enabled: true
   auth:
     rootUser: minio
     rootPassword: minio1234
@@ -892,7 +892,7 @@ minio:
 ## @skip localstack
 ##
 localstack:
-  enabled: true
+  enabled: false
   service:
     edgeService:
       nodePort: ""