diff --git a/dev-requirements.txt b/dev-requirements.txt
index 7127822..011432b 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -33,7 +33,7 @@ aiohttp==3.14.5; python_version >= '3.10'
 aiosignal==1.4.0; python_version >= '3.7'
 annotated-types==0.8.0; python_version >= '3.8'
 appdirs==1.4.4
-attrs==25.1.0; python_version >= '3.7'
+attrs==26.1.0; python_version >= '3.7'
 base58==2.1.1; python_version >= '3.5'
 bitarray==3.12.3
 certifi==2026.10.23; python_version >= '3.7'
diff --git a/requirements.txt b/requirements.txt
index a231c79..f879bfe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ aiohttp==3.14.5; python_version >= '3.10'
 aiosignal==1.4.0; python_version >= '3.7'
 annotated-types==0.8.0; python_version >= '3.8'
 appdirs==1.4.4
-attrs==25.1.0; python_version >= '3.7'
+attrs==26.1.0; python_version >= '3.7'
 base58==2.1.1; python_version >= '3.5'
 bitarray==3.12.3
 certifi==2026.10.23; python_version >= '3.7'