diff --git a/pyproject.toml b/pyproject.toml
index 5995e283..d2174aba 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -42,7 +42,7 @@ Bug-tracker = "https://github.com/waltsims/k-wave-python/issues"
 
 [project.optional-dependencies]
 test = ["pytest",
-        "coverage==7.5.2",
+        "coverage==7.5.3",
         "phantominator",
         "requests==2.32.3"]
 example = ["gdown==5.2.0"]