diff --git a/pyproject.toml b/pyproject.toml
index 0627b53ba..0c2a534e2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,19 +34,14 @@ dependencies = [
     "django-tables2==2.7.5",
     "django-taggit==6.1.0",
     "django-weasyprint==2.4.0",
-    "future==1.0.0",
-    "html5lib==1.1",
     "icalendar==6.2.0",
     "irc3==1.1.10",
     "lxml==5.4.0",
     "nh3==0.2.21",
-    "olefile==0.47",
-    "openpyxl==3.1.2",
     "pandas==2.2.3",
     "psycopg2-binary==2.9.10",
     "python-magic==0.4.27",
     "quickpay-api-client==2.0.1",
-    "service-identity==24.2.0",
     "Unidecode==1.4.0",
     # pillow is only here to make old migrations run
     "Pillow==11.2.1",
@@ -64,7 +59,6 @@ dev = [
     "pre-commit==4.2.0",
     "setuptools_scm==8.3.1",
     "django-debug-toolbar==5.2.0",
-    "tblib==3.1.0",
     "unittest-xml-reporting==3.2.0",
     "pipdeptree==2.26.1",
 ]