diff --git a/Pipfile b/Pipfile
index a31c4ff..6387220 100644
--- a/Pipfile
+++ b/Pipfile
@@ -22,7 +22,7 @@ docutils = "*"
 jmespath = "==0.10.0"
 pyaml = "==15.8.2"
 python-dateutil = "==2.8.1"
-PyYAML = "==5.1"
+PyYAML = "==5.3.1"
 
 [pipenv]
 allow_prereleases = true
diff --git a/Pipfile.lock b/Pipfile.lock
index 7e97fd0..e916d20 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "a694ac5fe98cc14d5b3285de3236facbd1fd6c7c166dc9e0fb6b89099c4740dc"
+            "sha256": "0c63bd930fe69f9333e819963cb72bc4a0977b1111c2e512b04fa4e703ac59cf"
         },
         "pipfile-spec": 6,
         "requires": {},
@@ -69,20 +69,22 @@
         },
         "pyyaml": {
             "hashes": [
-                "sha256:1adecc22f88d38052fb787d959f003811ca858b799590a5eaa70e63dca50308c",
-                "sha256:436bc774ecf7c103814098159fbb84c2715d25980175292c648f2da143909f95",
-                "sha256:460a5a4248763f6f37ea225d19d5c205677d8d525f6a83357ca622ed541830c2",
-                "sha256:5a22a9c84653debfbf198d02fe592c176ea548cccce47553f35f466e15cf2fd4",
-                "sha256:7a5d3f26b89d688db27822343dfa25c599627bc92093e788956372285c6298ad",
-                "sha256:9372b04a02080752d9e6f990179a4ab840227c6e2ce15b95e1278456664cf2ba",
-                "sha256:a5dcbebee834eaddf3fa7366316b880ff4062e4bcc9787b78c7fbb4a26ff2dd1",
-                "sha256:aee5bab92a176e7cd034e57f46e9df9a9862a71f8f37cad167c6fc74c65f5b4e",
-                "sha256:c51f642898c0bacd335fc119da60baae0824f2cde95b0330b56c0553439f0673",
-                "sha256:c68ea4d3ba1705da1e0d85da6684ac657912679a649e8868bd850d2c299cce13",
-                "sha256:e23d0cc5299223dcc37885dae624f382297717e459ea24053709675a976a3e19"
+                "sha256:06a0d7ba600ce0b2d2fe2e78453a470b5a6e000a985dd4a4e54e436cc36b0e97",
+                "sha256:240097ff019d7c70a4922b6869d8a86407758333f02203e0fc6ff79c5dcede76",
+                "sha256:4f4b913ca1a7319b33cfb1369e91e50354d6f07a135f3b901aca02aa95940bd2",
+                "sha256:6034f55dab5fea9e53f436aa68fa3ace2634918e8b5994d82f3621c04ff5ed2e",
+                "sha256:69f00dca373f240f842b2931fb2c7e14ddbacd1397d57157a9b005a6a9942648",
+                "sha256:73f099454b799e05e5ab51423c7bcf361c58d3206fa7b0d555426b1f4d9a3eaf",
+                "sha256:74809a57b329d6cc0fdccee6318f44b9b8649961fa73144a98735b0aaf029f1f",
+                "sha256:7739fc0fa8205b3ee8808aea45e968bc90082c10aef6ea95e855e10abf4a37b2",
+                "sha256:95f71d2af0ff4227885f7a6605c37fd53d3a106fcab511b8860ecca9fcf400ee",
+                "sha256:ad9c67312c84def58f3c04504727ca879cb0013b2517c85a9a253f0cb6380c0a",
+                "sha256:b8eac752c5e14d3eca0e6dd9199cd627518cb5ec06add0de9d32baeee6fe645d",
+                "sha256:cc8955cfbfc7a115fa81d85284ee61147059a753344bc51098f3ccd69b0d7e0c",
+                "sha256:d13155f591e6fcc1ec3b30685d50bf0711574e2c0dfffd7644babf8b5102ca1a"
             ],
             "index": "pypi",
-            "version": "==5.1"
+            "version": "==5.3.1"
         },
         "s3transfer": {
             "hashes": [