diff --git a/test_requirements.txt b/test_requirements.txt
index 8fc757b..d604fd6 100644
--- a/test_requirements.txt
+++ b/test_requirements.txt
@@ -1,5 +1,5 @@
 # Test requirements
 pytest>=7.0.0,<=8.3.3
 pytest-subtests>=0.12.0,<=0.13.1
-python-gnupg==0.5.2
+python-gnupg==0.5.3
 trustme>=1.1.0,<1.2