diff --git a/Pipfile.lock b/Pipfile.lock
index 991a0e4..88a4680 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -3,6 +3,7 @@
         "hash": {
             "sha256": "f0026da2573dccbb42b772bbdb3ee79f0b3c166cfacd8f8f28542a224a654bde"
         },
+        "pipfile-spec": 6,
         "requires": {},
         "sources": [
             {
@@ -22,7 +23,11 @@
             "version": "==1.1.11"
         },
         "tqdm": {
-            "version": "==4.14.0"
+            "hashes": [
+                "sha256:4f2eb1d14804caf7095500fe11da0e481a47af912e7b57c93f886ac3c40a49dd",
+                "sha256:91ac47ec2ba6bb92b7ba37706f4dea37019ddd784b22fd279a4b12d93327191d"
+            ],
+            "version": "==4.20.0"
         }
     },
     "develop": {}