diff --git a/Pipfile.lock b/Pipfile.lock
index b0967d4..1fec093 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -171,7 +171,7 @@
                 "sha256:64b28eec5e78e7510698f6d4da08800a5c575caa4a286c93d651c5d3ff7b6794",
                 "sha256:b146c751ea45cad6188dd6cf2d9b757f6f4f8d6ffb96a023e6f2e26eea02a72c"
             ],
-            "markers": "python_version < '3'",
+            "markers": "python_version < '3.3'",
             "version": "==1.0.22"
         },
         "klein": {
@@ -200,10 +200,10 @@
         },
         "pluggy": {
             "hashes": [
-                "sha256:447ba94990e8014ee25ec853339faf7b0fc8050cdc3289d4d71f7f410fb90095",
-                "sha256:bde19360a8ec4dfd8a20dcb811780a30998101f078fc7ded6162f0076f50508f"
+                "sha256:8ddc32f03971bfdf900a81961a48ccf2fb677cf7715108f85295c67405798616",
+                "sha256:980710797ff6a041e9a73a5787804f848996ecaa6f8a1b1e08224a5894f2074a"
             ],
-            "version": "==0.8.0"
+            "version": "==0.8.1"
         },
         "py": {
             "hashes": [
@@ -320,11 +320,10 @@
                 "tls"
             ],
             "hashes": [
-                "sha256:5de7b79b26aee64efe63319bb8f037af88c21287d1502b39706c818065b3d5a4",
-                "sha256:95ae985716e8107816d8d0df249d558dbaabb677987cc2ace45272c166b267e4"
+                "sha256:294be2c6bf84ae776df2fc98e7af7d6537e1c5e60a46d33c3ce2a197677da395"
             ],
             "index": "pypi",
-            "version": "==18.7.0"
+            "version": "==18.9.0"
         },
         "urllib3": {
             "hashes": [
@@ -453,10 +452,10 @@
         },
         "pluggy": {
             "hashes": [
-                "sha256:447ba94990e8014ee25ec853339faf7b0fc8050cdc3289d4d71f7f410fb90095",
-                "sha256:bde19360a8ec4dfd8a20dcb811780a30998101f078fc7ded6162f0076f50508f"
+                "sha256:8ddc32f03971bfdf900a81961a48ccf2fb677cf7715108f85295c67405798616",
+                "sha256:980710797ff6a041e9a73a5787804f848996ecaa6f8a1b1e08224a5894f2074a"
             ],
-            "version": "==0.8.0"
+            "version": "==0.8.1"
         },
         "py": {
             "hashes": [