diff --git a/pyproject.toml b/pyproject.toml
index a782c1292d..c648cfd27c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -60,7 +60,7 @@ dependencies = [
   "pygtrie>=2.5,<=2.5.0",
   "psycopg[binary]>=3.1.8,<=3.2.3",
   "pyparsing>=3.1.0,<=3.2.1",
-  "python-gnupg>=0.5,<=0.5.3",
+  "python-gnupg>=0.5,<=0.5.4",
   "PyYAML>=5.1.1,<=6.0.2",
   "redis>=4.3,<5.2.2",
   "tablib<3.6.0",