diff --git a/test_requirements.txt b/test_requirements.txt
index 79e6af1..f72254e 100644
--- a/test_requirements.txt
+++ b/test_requirements.txt
@@ -1,4 +1,4 @@
 # Test requirements
 pytest>=7.0.0,<9.0.0
 pytest-subtests>=0.13.0,<0.14.0
-python-gnupg==0.5.2
+python-gnupg==0.5.3