diff --git a/dev-python/PyPDF2/PyPDF2-2.3.1.ebuild b/dev-python/PyPDF2/PyPDF2-2.3.1.ebuild
index d45c4b4561ab1..0e5972d80ce80 100644
--- a/dev-python/PyPDF2/PyPDF2-2.3.1.ebuild
+++ b/dev-python/PyPDF2/PyPDF2-2.3.1.ebuild
@@ -34,6 +34,9 @@ RDEPEND="
 "
 BDEPEND="
 	dev-python/pillow[${PYTHON_USEDEP}]
+	test? (
+		dev-python/pycryptodome[${PYTHON_USEDEP}]
+	)
 "
 
 distutils_enable_tests pytest