diff --git a/pyproject.toml b/pyproject.toml
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "c3l-membership"
-version = "1.1.7"
+version = "1.1.8"
 description = ""
 authors = ["Dennis Fink <dennis.fink@c3l.lu>"]
 license = "GPL-3.0-or-later"
@@ -14,14 +14,14 @@ Flask-WeasyPrint = "^0.6"
 Flask-WTF = "^1.0.0"
 email-validator = "^1.1.3"
 WTForms="^3.0.1"
-WeasyPrint="52.5"
+WeasyPrint="<53"
 djhtml = "^1.4.11"
 Flask-Babel = "^2.0.0"
 requests = "^2.27.1"
 
 [tool.poetry.dev-dependencies]
-black = "^21.12b0"
-mypy = "^0.930"
+black = "^22.3.0"
+mypy = "^0.950"
 isort = "^5.10.1"