diff --git a/Pipfile b/Pipfile
index 9effb7e..bd8e754 100644
--- a/Pipfile
+++ b/Pipfile
@@ -7,16 +7,9 @@ name = "pypi"
 
 [packages]
 
-certifi = "==2017.11.5"
-chardet = "==3.0.4"
 cssselect = "==1.0.1"
-idna = "==2.6"
 lxml = "==4.1.1"
 "Mastodon.py" = "==1.1.2"
-python-dateutil = "==2.6.1"
-pytz = "==2017.3"
-requests = "==2.18.4"
-"urllib3" = "==1.22"
 youtube_dl = "==2017.11.26"
 
 
diff --git a/Pipfile.lock b/Pipfile.lock
index 95737d4..69d9c99 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "92031f704dbc95db2569a568270993b26e01987102ae70ed31b5634528cd1a0e"
+            "sha256": "9640097ff751e9453f527272cd00226c924c2a6a0e6f6162021c01b79a32521a"
         },
         "host-environment-markers": {
             "implementation_name": "cpython",
@@ -29,10 +29,10 @@
     "default": {
         "certifi": {
             "hashes": [
-                "sha256:244be0d93b71e93fc0a0a479862051414d0e00e16435707e5bf5000f92e04694",
-                "sha256:5ec74291ca1136b40f0379e1128ff80e866597e4e2c1e755739a913bbc3613c0"
+                "sha256:14131608ad2fd56836d33a71ee60fa1c82bc9d2c8d98b7bdbc631fe1b3cd1296",
+                "sha256:edbc3f203427eef571f79a7692bb160a2b0f7ccaa31953e99bd17e307cf63f7d"
             ],
-            "version": "==2017.11.5"
+            "version": "==2018.1.18"
         },
         "chardet": {
             "hashes": [