diff --git a/conanfile.py b/conanfile.py
index f16b547d..76021ceb 100644
--- a/conanfile.py
+++ b/conanfile.py
@@ -107,7 +107,7 @@ class MPUnitsConan(ConanFile):
 
     def build_requirements(self):
         if self._run_tests:
-            self.test_requires("catch2/2.13.7")
+            self.test_requires("catch2/2.13.9")
             self.test_requires("wg21-linear_algebra/0.7.2")
             if self.options.build_docs:
                 self.tool_requires("doxygen/1.9.2")