diff --git a/Pipfile.lock b/Pipfile.lock
index 0442df1e..96a129ac 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -31,12 +31,8 @@
             "version": "==2.0.5"
         },
         "attrs": {
-            "hashes": [
-                "sha256:2d27e3784d7a565d36ab851fe94887c5eccd6a463168875832a1be79c82828b4",
-                "sha256:626ba8234211db98e869df76230a137c4c40a12d72445c45d5f5b716f076e2fd"
-            ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
-            "version": "==21.4.0"
+            "hashes": [],
+            "version": "==26.1.0"
         },
         "backcall": {
             "hashes": [
@@ -538,12 +534,8 @@
             "version": "==3.5.1"
         },
         "attrs": {
-            "hashes": [
-                "sha256:2d27e3784d7a565d36ab851fe94887c5eccd6a463168875832a1be79c82828b4",
-                "sha256:626ba8234211db98e869df76230a137c4c40a12d72445c45d5f5b716f076e2fd"
-            ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
-            "version": "==21.4.0"
+            "hashes": [],
+            "version": "==26.1.0"
         },
         "certifi": {
             "hashes": [