diff --git a/pyproject.toml b/pyproject.toml
index 6e4bc108ef36fd37d29b9010778d842f80d23972..87782fcb973d44ddb98772fd478ab6f1de33310a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "requests-http-message-signatures"
-version = "0.3.0-dev2"
+version = "0.3.0-dev3"
 description = "A request authentication plugin implementing IETF HTTP Message Signatures"
 readme = "README.md"
 homepage = "https://dev.funkwhale.audio/funkwhale/requests-http-message-signatures"
@@ -12,9 +12,6 @@ classifiers = [
 	'Operating System :: MacOS :: MacOS X',
 	'Operating System :: POSIX',
 	'Programming Language :: Python',
-	'Programming Language :: Python :: 2.7',
-	'Programming Language :: Python :: 3.3',
-	'Programming Language :: Python :: 3.4',
 	'Development Status :: 5 - Production/Stable',
 	'Topic :: Software Development :: Libraries :: Python Modules'
 ]