diff --git a/Pipfile.lock b/Pipfile.lock
index a59e11a..4a9792f 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -11,7 +11,7 @@
             "platform_python_implementation": "CPython",
             "platform_release": "16.7.0",
             "platform_system": "Darwin",
-            "platform_version": "Darwin Kernel Version 16.7.0: Thu Jan 11 22:59:40 PST 2018; root:xnu-3789.73.8~1/RELEASE_X86_64",
+            "platform_version": "Darwin Kernel Version 16.7.0: Tue Jan 30 11:27:06 PST 2018; root:xnu-3789.73.11~1/RELEASE_X86_64",
             "python_full_version": "3.6.4",
             "python_version": "3.6",
             "sys_platform": "darwin"
@@ -97,10 +97,10 @@
         },
         "mastodon.py": {
             "hashes": [
-                "sha256:197b7a04b5daa47329355b427916099bf8ff38a6b1ec32670a9f085778a77ca0",
-                "sha256:b3ef52609a0159683d2898ec5afda2a0c36beae854c29e5af02b2866acb2e4db"
+                "sha256:22097bb5e3f473ddcf1fa40392753170da0cae9cb8b73b8baf40d31b15493613",
+                "sha256:ca3db745a07d74c985cdeeee7c3937bf8b389aef69b89d66c7ddcfed8ffbffeb"
             ],
-            "version": "==1.2.1"
+            "version": "==1.2.2"
         },
         "python-dateutil": {
             "hashes": [
@@ -111,17 +111,17 @@
         },
         "pytz": {
             "hashes": [
-                "sha256:80af0f3008046b9975242012a985f04c5df1f01eed4ec1633d56cc47a75a6a48",
-                "sha256:feb2365914948b8620347784b6b6da356f31c9d03560259070b2f30cff3d469d",
-                "sha256:59707844a9825589878236ff2f4e0dc9958511b7ffaae94dc615da07d4a68d33",
-                "sha256:d0ef5ef55ed3d37854320d4926b04a4cb42a2e88f71da9ddfdacfde8e364f027",
-                "sha256:c41c62827ce9cafacd6f2f7018e4f83a6f1986e87bfd000b8cfbd4ab5da95f1a",
-                "sha256:8cc90340159b5d7ced6f2ba77694d946fc975b09f1a51d93f3ce3bb399396f94",
-                "sha256:dd2e4ca6ce3785c8dd342d1853dd9052b19290d5bf66060846e5dc6b8d6667f7",
-                "sha256:699d18a2a56f19ee5698ab1123bbcc1d269d061996aeb1eda6d89248d3542b82",
-                "sha256:fae4cffc040921b8a2d60c6cf0b5d662c1190fe54d718271db4eb17d44a185b7"
+                "sha256:ed6509d9af298b7995d69a440e2822288f2eca1681b8cce37673dbb10091e5fe",
+                "sha256:f93ddcdd6342f94cea379c73cddb5724e0d6d0a1c91c9bdef364dc0368ba4fda",
+                "sha256:61242a9abc626379574a166dc0e96a66cd7c3b27fc10868003fa210be4bff1c9",
+                "sha256:ba18e6a243b3625513d85239b3e49055a2f0318466e0b8a92b8fb8ca7ccdf55f",
+                "sha256:07edfc3d4d2705a20a6e99d97f0c4b61c800b8232dc1c04d87e8554f130148dd",
+                "sha256:3a47ff71597f821cd84a162e71593004286e5be07a340fd462f0d33a760782b5",
+                "sha256:5bd55c744e6feaa4d599a6cbd8228b4f8f9ba96de2c38d56f08e534b3c9edf0d",
+                "sha256:887ab5e5b32e4d0c86efddd3d055c1f363cbaa583beb8da5e22d2fa2f64d51ef",
+                "sha256:410bcd1d6409026fbaa65d9ed33bf6dd8b1e94a499e32168acfc7b332e4095c0"
             ],
-            "version": "==2017.3"
+            "version": "==2018.3"
         },
         "requests": {
             "hashes": [
@@ -234,10 +234,10 @@
         },
         "mastodon.py": {
             "hashes": [
-                "sha256:197b7a04b5daa47329355b427916099bf8ff38a6b1ec32670a9f085778a77ca0",
-                "sha256:b3ef52609a0159683d2898ec5afda2a0c36beae854c29e5af02b2866acb2e4db"
+                "sha256:22097bb5e3f473ddcf1fa40392753170da0cae9cb8b73b8baf40d31b15493613",
+                "sha256:ca3db745a07d74c985cdeeee7c3937bf8b389aef69b89d66c7ddcfed8ffbffeb"
             ],
-            "version": "==1.2.1"
+            "version": "==1.2.2"
         },
         "pluggy": {
             "hashes": [
@@ -254,10 +254,10 @@
         },
         "pytest": {
             "hashes": [
-                "sha256:b84878865558194630c6147f44bdaef27222a9f153bbd4a08908b16bf285e0b1",
-                "sha256:53548280ede7818f4dc2ad96608b9f08ae2cc2ca3874f2ceb6f97e3583f25bc4"
+                "sha256:95fa025cd6deb5d937e04e368a00552332b58cae23f63b76c8c540ff1733ab6d",
+                "sha256:6074ea3b9c999bd6d0df5fa9d12dd95ccd23550df2a582f5f5b848331d2e82ca"
             ],
-            "version": "==3.3.2"
+            "version": "==3.4.0"
         },
         "python-dateutil": {
             "hashes": [
@@ -268,17 +268,17 @@
         },
         "pytz": {
             "hashes": [
-                "sha256:80af0f3008046b9975242012a985f04c5df1f01eed4ec1633d56cc47a75a6a48",
-                "sha256:feb2365914948b8620347784b6b6da356f31c9d03560259070b2f30cff3d469d",
-                "sha256:59707844a9825589878236ff2f4e0dc9958511b7ffaae94dc615da07d4a68d33",
-                "sha256:d0ef5ef55ed3d37854320d4926b04a4cb42a2e88f71da9ddfdacfde8e364f027",
-                "sha256:c41c62827ce9cafacd6f2f7018e4f83a6f1986e87bfd000b8cfbd4ab5da95f1a",
-                "sha256:8cc90340159b5d7ced6f2ba77694d946fc975b09f1a51d93f3ce3bb399396f94",
-                "sha256:dd2e4ca6ce3785c8dd342d1853dd9052b19290d5bf66060846e5dc6b8d6667f7",
-                "sha256:699d18a2a56f19ee5698ab1123bbcc1d269d061996aeb1eda6d89248d3542b82",
-                "sha256:fae4cffc040921b8a2d60c6cf0b5d662c1190fe54d718271db4eb17d44a185b7"
+                "sha256:ed6509d9af298b7995d69a440e2822288f2eca1681b8cce37673dbb10091e5fe",
+                "sha256:f93ddcdd6342f94cea379c73cddb5724e0d6d0a1c91c9bdef364dc0368ba4fda",
+                "sha256:61242a9abc626379574a166dc0e96a66cd7c3b27fc10868003fa210be4bff1c9",
+                "sha256:ba18e6a243b3625513d85239b3e49055a2f0318466e0b8a92b8fb8ca7ccdf55f",
+                "sha256:07edfc3d4d2705a20a6e99d97f0c4b61c800b8232dc1c04d87e8554f130148dd",
+                "sha256:3a47ff71597f821cd84a162e71593004286e5be07a340fd462f0d33a760782b5",
+                "sha256:5bd55c744e6feaa4d599a6cbd8228b4f8f9ba96de2c38d56f08e534b3c9edf0d",
+                "sha256:887ab5e5b32e4d0c86efddd3d055c1f363cbaa583beb8da5e22d2fa2f64d51ef",
+                "sha256:410bcd1d6409026fbaa65d9ed33bf6dd8b1e94a499e32168acfc7b332e4095c0"
             ],
-            "version": "==2017.3"
+            "version": "==2018.3"
         },
         "requests": {
             "hashes": [
@@ -303,10 +303,10 @@
         },
         "youtube-dl": {
             "hashes": [
-                "sha256:6fe61fd319917f7beab87ea453df1b90c4a5638f166af162b79bdd8cd63091ea",
-                "sha256:f5fe51b868a5b5a2adbcfe574b8a3f26be38ebaabdd7e74b3cf9301e6d83babc"
+                "sha256:7f05d5f06b36fc816dfe0bb6ad2bb3aa1b2a508ea3ca1c4a0417750dbf6ff665",
+                "sha256:80da352d7da4cff7e591a8ab70262fceceaf561b86ec72c0dc86891b31e07090"
             ],
-            "version": "==2018.1.21"
+            "version": "==2018.2.11"
         }
     }
 }