diff --git a/requirements-dev.txt b/requirements-dev.txt
index 4cd59e47..dd364393 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -50,7 +50,7 @@ pluggy==1.6.0 ; python_version >= "3.11" and python_version < "3.15"
 pooch==1.9.0 ; python_version >= "3.11" and python_version < "3.15"
 pycodestyle==2.14.0 ; python_version >= "3.11" and python_version < "3.15"
 pyerfa==2.0.1.5 ; python_version >= "3.11" and python_version < "3.15"
-pygments==2.19.2 ; python_version >= "3.11" and python_version < "3.15"
+pygments==2.20.0 ; python_version >= "3.11" and python_version < "3.15"
 pyparsing==3.3.2 ; python_version >= "3.11" and python_version < "3.15"
 pyshtools==4.14.1 ; python_version >= "3.11" and python_version < "3.15"
 pytest==9.0.2 ; python_version >= "3.11" and python_version < "3.15"