diff --git a/Pipfile.lock b/Pipfile.lock
index b3c0525..809b5a8 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -156,10 +156,10 @@
         },
         "more-itertools": {
             "hashes": [
-                "sha256:b84b238cce0d9adad5ed87e745778d20a3f8487d0f0cb8b8a586816c7496458d",
-                "sha256:c833ef592a0324bcc6a60e48440da07645063c453880c9477ceb22490aec1564"
+                "sha256:0a2fd25d343c08d7e7212071820e7e7ea2f41d8fb45d6bc8a00cd6ce3b7aab88",
+                "sha256:88afff98d83d08fe5e4049b81e2b54c06ebb6b3871a600040865c7a592061cbb"
             ],
-            "version": "==8.0.2"
+            "version": "==8.11.0"
         },
         "packaging": {
             "hashes": [
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 39f24f0..5d112c9 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -5,7 +5,7 @@ pyflakes==2.1.1
 
 #deps pytest
 py==1.8.0
-more-itertools==8.0.2
+more-itertools==8.11.0
 six==1.13.0
 attrs==19.3.0
 pluggy==0.13.1