diff --git a/Pipfile b/Pipfile
index 9e3624c..35df1a2 100644
--- a/Pipfile
+++ b/Pipfile
@@ -6,7 +6,6 @@ verify_ssl = true
 [dev-packages]
 
 [packages]
-slack = "*"
 slackclient = "*"
 
 [requires]
diff --git a/Pipfile.lock b/Pipfile.lock
index 2d96ab9..05b90ac 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "566482ddade6a3def314f0d6c1805198e062e2c6aee6bc46c4f74affe776a581"
+            "sha256": "7cbe5be898916ef05dcff196ada03f05a4876ea4138e116d9fddd22ebfb7053c"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -105,13 +105,6 @@
             ],
             "version": "==4.5.2"
         },
-        "slack": {
-            "hashes": [
-                "sha256:e0b0cd3ba730e81aa82eef0973a7970652b99f6445cb71a6dde1d29e6d13b051"
-            ],
-            "index": "pypi",
-            "version": "==0.0.2"
-        },
         "slackclient": {
             "hashes": [
                 "sha256:ed0f60dd5a646b4ccd31ec1f11503b8689850894681e6baae2bc06b941fc1c58",