diff --git a/prisma4sen2like/requirements_dev.txt b/prisma4sen2like/requirements_dev.txt
index 4938982..aac89fb 100644
--- a/prisma4sen2like/requirements_dev.txt
+++ b/prisma4sen2like/requirements_dev.txt
@@ -2,7 +2,7 @@
 # conda install -n prisma -c conda-forge --file requirements_dev.txt
 bandit==1.7.5
 isort==5.12.0
-black==24.3.0
+black==26.3.1
 pre-commit==3.2.0
 pydocstyle==6.3.0
 pylint==2.17.1