diff --git a/SalishSeaTools/envs/requirements.txt b/SalishSeaTools/envs/requirements.txt
index 24f2f4c6..571c21eb 100644
--- a/SalishSeaTools/envs/requirements.txt
+++ b/SalishSeaTools/envs/requirements.txt
@@ -137,7 +137,7 @@ psutil==7.2.2
 ptyprocess==0.7.0
 pure_eval==0.2.3
 pycparser==2.22
-Pygments==2.19.2
+Pygments==2.20.0
 pyparsing==3.3.2
 pyproject_hooks==1.2.0
 PySide6==6.10.2