diff --git a/src/Gargantext/API/GraphQL.hs b/src/Gargantext/API/GraphQL.hs
index a6bfbc0dea9600d5e572c1815a8342897a5d80e7..dff8bf6d5856e3eb647cbfe93ed975771d9836e8 100644
--- a/src/Gargantext/API/GraphQL.hs
+++ b/src/Gargantext/API/GraphQL.hs
@@ -148,5 +148,5 @@ api
   :: (Typeable env, HasConnectionPool env, HasConfig env, HasMail env, HasJobEnv' env)
   => ServerT API (GargM env GargError)
 api (SAS.Authenticated _auser) = httpPubApp [] app :<|> pure httpPlayground
---api _                          = panic "401 in graphql" --SAS.throwAll (_ServerError # err401)
-api _ = httpPubApp [] app :<|> pure httpPlayground
+api _                          = panic "401 in graphql" --SAS.throwAll (_ServerError # err401)
+--api _ = httpPubApp [] app :<|> pure httpPlayground
diff --git a/stack.yaml b/stack.yaml
index 99968abd7e474a25d7fec7892c5c5d354d874d6c..1e8b88c796c739dac35aaa0d2f826045e272d043 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -28,7 +28,7 @@ allow-newer: true
 
 extra-deps:
 - git: https://gitlab.iscpif.fr/gargantext/haskell-gargantext-prelude.git
-  commit: 220f32810f988a5a121f110a7d557fc7d0721712
+  commit: 6bfdb29e9a576472c7fd7ebe648ad101e5b3927f
   # Data Mining Libs
 - git: https://github.com/delanoe/data-time-segment.git
   commit: 10a416b9f6c443866b36479c3441ebb3bcdeb7ef