diff --git a/poetry.lock b/poetry.lock
index 894be56..c07719c 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1175,4 +1175,4 @@ cuquantum = ["cuquantum-python-cu12"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.9,<3.13"
-content-hash = "da7810f5a4ef27e47b6975af3f73f0b4c7ab24f3f1c411e3244494800442d8be"
+content-hash = "08bf67999b9ba807bc6f93796205241383a1c90ade7a603fa21d8719901875eb"
diff --git a/pyproject.toml b/pyproject.toml
index 07ca70c..6e67bab 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ classifiers = [
 [tool.poetry.dependencies]
 python = "^3.9,<3.13"
 numba = ">=0.59.0"
-qibo = ">=0.2.8"
+qibo = "^0.2.8"
 scipy = "^1.10.1"
 psutil = "^5.9.5"
 cupy-cuda12x = { version = "^13.1.0", optional = true }