diff --git a/tools/requirements.txt b/tools/requirements.txt
index 38d6b138..d09e0f7d 100644
--- a/tools/requirements.txt
+++ b/tools/requirements.txt
@@ -1,6 +1,6 @@
 aiohttp==3.13.4
 amsterdam-schema-tools==7.6.3
-attrs==25.4.0
+attrs==26.1.0
 certifi==2024.7.4
 charset-normalizer==3.4.6
 click==8.3.1