diff --git a/Pipfile.lock b/Pipfile.lock
index 636f81fc..0f56245d 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -351,12 +351,8 @@
             "version": "==1.4.0"
         },
         "attrs": {
-            "hashes": [
-                "sha256:149e90d6d8ac20db7a955ad60cf0e6881a3f20d37096140088356da6c716b0b1",
-                "sha256:ef6aaac3ca6cd92904cdd0d83f629a15f18053ec84e6432106f7a4d04ae4f5fb"
-            ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
-            "version": "==21.2.0"
+            "hashes": [],
+            "version": "==25.4.0"
         },
         "certifi": {
             "hashes": [