diff --git a/Pipfile.lock b/Pipfile.lock
index 08ef7b95..cd691886 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -440,11 +440,12 @@
         },
         "dill": {
             "hashes": [
-                "sha256:468dff3b89520b474c0397703366b7b95eebe6303f108adf9b19da1f702be87a",
-                "sha256:81aa267dddf68cbfe8029c42ca9ec6a4ab3b22371d1c450abc54422577b4512c"
+                "sha256:0633f1d2df477324f53a895b02c901fb961bdbf65a17122586ea7019292cbcf0",
+                "sha256:44f54bf6412c2c8464c14e8243eb163690a9800dbe2c367330883b19c7561049"
             ],
+            "index": "pypi",
             "markers": "python_version >= '3.8'",
-            "version": "==0.3.9"
+            "version": "==0.4.0"
         },
         "distlib": {
             "hashes": [