diff --git a/Pipfile.lock b/Pipfile.lock
index 8a647ca6f..53dd009cb 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -172,10 +172,10 @@
         },
         "pyflakes": {
             "hashes": [
-                "sha256:17dbeb2e3f4d772725c777fabc446d5634d1038f234e77343108ce445ea69ce0",
-                "sha256:d976835886f8c5b31d47970ed689944a0262b5f3afa00a5a7b4dc81e5449f8a2"
+                "sha256:7893783d01b8a89811dd72d7dfd4d84ff098e5eed95cfa8905b22bbffe52efc3",
+                "sha256:f5bc8ecabc05bb9d291eb5203d6810b49040f6ff446a756326104746cc00c1db"
             ],
-            "version": "==2.1.1"
+            "version": "==2.3.1"
         },
         "pyparsing": {
             "hashes": [