diff --git a/Pipfile b/Pipfile
index d2a7c12..26a590e 100644
--- a/Pipfile
+++ b/Pipfile
@@ -8,6 +8,7 @@ hbmqtt = "~=0.9"
 aiohttp = "~=3.6"
 tinydb = "~=3.15"
 pyyaml = "~=5.2"
+atomicwrites = "~=1.3"
 
 [dev-packages]
 black = "*"
diff --git a/Pipfile.lock b/Pipfile.lock
index c9a0fa2..22ba5fe 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "ca2480c022550256516d1869810045c77290f8fb6dbbda65474c27f28de9d182"
+            "sha256": "ef9a71350a18ce8bacfa3cdfb4cb9b55873aceb53e78ca000804273af2652d15"
         },
         "pipfile-spec": 6,
         "requires": {},
@@ -39,6 +39,14 @@
             ],
             "version": "==3.0.1"
         },
+        "atomicwrites": {
+            "hashes": [
+                "sha256:03472c30eb2c5d1ba9227e4c2ca66ab8287fbfbbda3888aa93dc2e28fc6811b4",
+                "sha256:75a9445bac02d8d058d5e1fe689654ba5a6556a1dfd8ce6ec55a0ed79866cfa6"
+            ],
+            "index": "pypi",
+            "version": "==1.3.0"
+        },
         "attrs": {
             "hashes": [
                 "sha256:08a96c641c3a74e44eb59afb61a24f2cb9f4d7188748e76ba4bb5edfa3cb7d1c",
diff --git a/requirements.txt b/requirements.txt
index 1727715..1795d48 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,16 +1,16 @@
--i https://pypi.python.org/simple
-aiohttp==4.0.0a0
+aiohttp==3.6.2
 async-timeout==3.0.1
-attrs==19.1.0
+atomicwrites==1.3.0
+attrs==19.3.0
 chardet==3.0.4
 docopt==0.6.2
 hbmqtt==0.9.5
 idna==2.8
-multidict==4.5.2
-passlib==1.7.1
-pyyaml==5.1.1
-six==1.12.0
-tinydb==3.13.0
-transitions==0.6.9
-websockets==7.0
-yarl==1.3.0
+multidict==4.7.3
+passlib==1.7.2
+PyYAML==5.2
+six==1.13.0
+tinydb==3.15.2
+transitions==0.7.1
+websockets==8.1
+yarl==1.4.2