diff --git a/pyproject.toml b/pyproject.toml
index 9d25fe3..01aadd4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,18 +6,18 @@ authors = ["Joël Maizi <joel.maizi@lirmm.fr>", "Maxime Alves <maxime.alves@lirm
 homepage = "https://gite.lirmm.fr/newsi/api/halfapi"
 
 [tool.poetry.dependencies]
-click = "^7.0.0"
+click = "^7"
 half-orm = { git = "git@gite.lirmm.fr:newsi/halfORM.git" }
-PyJWT = "^1.7.0"
+PyJWT = "^1"
 python = "^3.7"
-starlette = "^0.13.0"
-uvicorn = { version = "^0.11.0" }
-fastapi = { version = "*", optional = true }
+starlette = "^0"
+uvicorn = { version = "^0" }
+fastapi = { version = "^0", optional = true }
 organigramme = { git = "git@gite.lirmm.fr:newsi/api/organigramme.git", optional = true }
 
 [tool.poetry.dev-dependencies]
-pytest = "^3.4.0"
-requests = "^2.0.0"
+pytest = "^3"
+requests = "^2"
 
 [tool.poetry.extras]
 organigramme = [ "fastapi", "organigramme" ]