Update dependencies

Change-Id: I4262df1113e7a9067d2f59872d5e964cf597e7ae
diff --git a/Pipfile.lock b/Pipfile.lock
index 55ce371..302ed16 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -18,10 +18,10 @@
     "default": {
         "certifi": {
             "hashes": [
-                "sha256:59b7658e26ca9c7339e00f8f4636cdfe59d34fa37b9b04f6f9e9926b3cece1a5",
-                "sha256:b26104d6835d1f5e49452a26eb2ff87fe7090b89dfcaee5ea2212697e1e1d7ae"
+                "sha256:e4f3620cfea4f83eedc95b24abd9cd56f3c4b146dd0177e83a21b4eb49e21e50",
+                "sha256:fd7c7c74727ddcf00e9acd26bba8da604ffec95bf1c2144e67aff7a8b50e6cef"
             ],
-            "version": "==2019.3.9"
+            "version": "==2019.9.11"
         },
         "chardet": {
             "hashes": [
@@ -39,11 +39,11 @@
         },
         "jinja2": {
             "hashes": [
-                "sha256:065c4f02ebe7f7cf559e49ee5a95fb800a9e4528727aec6f24402a5374c65013",
-                "sha256:14dd6caf1527abb21f08f86c784eac40853ba93edb79552aa1e4b8aef1b61c7b"
+                "sha256:74320bb91f31270f9551d46522e33af46a80c3d619f4a4bf42b3164d30b5911f",
+                "sha256:9fe95f19286cfefaa917656583d020be14e7859c6b0252588391e47db34527de"
             ],
             "index": "pypi",
-            "version": "==2.10.1"
+            "version": "==2.10.3"
         },
         "markupsafe": {
             "hashes": [
@@ -80,10 +80,10 @@
         },
         "pbr": {
             "hashes": [
-                "sha256:8257baf496c8522437e8a6cfe0f15e00aedc6c0e0e7c9d55eeeeab31e0853843",
-                "sha256:8c361cc353d988e4f5b998555c88098b9d5964c2e11acf7b0d21925a66bb5824"
+                "sha256:2c8e420cd4ed4cec4e7999ee47409e876af575d4c35a45840d59e8b5f3155ab8",
+                "sha256:b32c8ccaac7b1a20c0ce00ce317642e6cf231cf038f9875e0280e28af5bf7ac9"
             ],
-            "version": "==5.1.3"
+            "version": "==5.4.3"
         },
         "pygerrit2": {
             "hashes": [
@@ -94,25 +94,25 @@
         },
         "python-gnupg": {
             "hashes": [
-                "sha256:45daf020b370bda13a1429c859fcdff0b766c0576844211446f9266cae97fb0e",
-                "sha256:85c231850a0275c9722f06e34b45a22510b83a6a6e88f93b5ae32ba04c95056c"
+                "sha256:3353e59949cd2c15efbf1fca45e347d8a22f4bed0d93e9b89b2657bda19cec05",
+                "sha256:c095a41f310ad7a4fd393406660ac9bd6c175ccaa0f072f9c18f33be8130a27a"
             ],
             "index": "pypi",
-            "version": "==0.4.4"
+            "version": "==0.4.5"
         },
         "requests": {
             "hashes": [
-                "sha256:502a824f31acdacb3a35b6690b5fbf0bc41d63a24a45c4004352b0242707598e",
-                "sha256:7bf2a778576d825600030a110f3c0e3e8edc51dfaafe1c146e39a2027784957b"
+                "sha256:11e007a8a2aa0323f5a921e9e6a2d7e4e67d9877e85773fba9ba6419025cbeb4",
+                "sha256:9cf5292fcd0f598c671cfc1e0d7d1a7f13bb8085e9a590f48c010551dc6c4b31"
             ],
-            "version": "==2.21.0"
+            "version": "==2.22.0"
         },
         "urllib3": {
             "hashes": [
-                "sha256:4c291ca23bbb55c76518905869ef34bdd5f0e46af7afe6861e8375643ffee1a0",
-                "sha256:9a247273df709c4fedb38c711e44292304f73f39ab01beda9f6b9fc375669ac3"
+                "sha256:3de946ffbed6e6746608990594d08faac602528ac7015ac28d33cee6a45b7398",
+                "sha256:9a107b99a5393caf59c7aa3c1249c16e6879447533d0887f4336dde834c7be86"
             ],
-            "version": "==1.24.2"
+            "version": "==1.25.6"
         }
     },
     "develop": {