diff --git a/Pipfile.lock b/Pipfile.lock
index 22ed04435..0930553f7 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -61,11 +61,8 @@
             "version": "==1.4.0"
         },
         "attrs": {
-            "hashes": [
-                "sha256:08a96c641c3a74e44eb59afb61a24f2cb9f4d7188748e76ba4bb5edfa3cb7d1c",
-                "sha256:f7b7ce16570fe9965acd6d30101a28f62fb4a7f9e926b3bbc9b61f8b04247e72"
-            ],
-            "version": "==19.3.0"
+            "hashes": [],
+            "version": "==26.1.0"
         },
         "coverage": {
             "hashes": [
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 7132cc0a4..326c3f678 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -6,7 +6,7 @@ pyflakes==2.2.0
 
 # Deps do pytest
 atomicwrites==1.4.0
-attrs==19.3.0
+attrs==26.1.0
 colorama==0.4.3
 more-itertools==8.2.0
 packaging==20.3