diff --git a/pyproject.toml b/pyproject.toml
index 2e35c2f9f59158715a5fbab4254d3754d406ed15..8c203e8113b8db5c5cd893f595a3bf0eddd2e242 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [tool.poetry]
 name = "crisprbact"
 version = "0.1.0"
-licence = "GPL-3.0"
+license = "GPL-3.0"
 description = "Tools to design and analyse CRISPRi experiments"
 authors = ["David Bikard <david.bikard@pasteur.fr>", "Remi Planel <rplanel@pasteur.fr>"]
 keywords = ["CRISPR", "genomics", "bacteria", "CRISPRi", "screen"]
@@ -13,7 +13,7 @@ classifiers = [
     "Programming Language :: Python :: 3",
     "Topic :: Scientific/Engineering :: Bio-Informatics",
     "Natural Language :: English",
-    # "License :: OSI Approved :: GNU General Public License v3 (GPLv3)"
+    "License :: OSI Approved :: GNU General Public License v3 (GPLv3)"
 ]
 readme = "README.md"