diff --git a/pyproject.toml b/pyproject.toml
index 93a80c2..a51f11a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -85,7 +85,7 @@ dev = [
     "mypy>=1.0.0",
     "pyright>=1.1.408",
     "sphinx>=7.0.0",
-    "pygments>=2.16.1",
+    "pygments>=2.20.0",
     "furo>=2025.12.19",
     "sphinx-copybutton>=0.5.0",
 ]