diff --git a/package.yaml b/package.yaml
index 5272007d47d11282d1b9015c4a8007d34ddd3715..e7884f03fde7093e5955eed1d8fea171d2f6beb8 100644
--- a/package.yaml
+++ b/package.yaml
@@ -19,6 +19,8 @@ library:
   - -Wincomplete-uni-patterns
   - -Wincomplete-record-updates
   - -Wmissing-signatures
+  - -Wunused-binds
+  - -Wunused-imports
     #  - -Werror
   exposed-modules:
   - Gargantext
diff --git a/stack.yaml b/stack.yaml
index 58fd2589b2db304dd365a3d773e50c5c8c669e86..bc83197c7da8bfec443eb545f996e58165bb7bc7 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -13,8 +13,9 @@ extra-deps:
   commit: 6f0595d2421005837d59151a8b26eee83ebb67b5
 - git: https://github.com/delanoe/servant-static-th.git
   commit: fff77e79fe94d563ab5cae2609b78c17b5c1f434
-- git: https://github.com/delanoe/accelerate.git
-  commit: 007fd483a4410441fb5dd1b689a5f7dab66d27ad
+  #- git: https://github.com/delanoe/accelerate.git
+  #commit: 007fd483a4410441fb5dd1b689a5f7dab66d27ad
+- accelerate-1.2.0.0
 - aeson-1.2.4.0
 - aeson-lens-0.5.0.0
 - duckling-0.1.3.0