diff --git a/README.md b/README.md
index b666b76..ae5a3f7 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,10 @@
 # Jitsi Slack - Jitsi Meet Integration for Slack
 
-This project provides a Slack integration to enable starting video conferences
-from Slack and easily inviting Slack members to conferences.
+This project provides a Slack integration to enable starting video
+conferences from Slack and easily inviting Slack members to conferences.
 
-Enables starting and joining [Jitsi Meet](https://meet.jit.si) meetings from within [Slack](https://slack.com/)
+Enables starting and joining [Jitsi Meet](https://meet.jit.si) meetings from
+within [Slack](https://slack.com/)
 
 ## Getting Started
 
@@ -13,18 +14,29 @@ on your local machine for development purposes.
 ### Prerequisites
 
 #### Go
-A working setup for the Go Programming Language is needed. Here is a [getting started](https://golang.org/doc/install) guide. The project
-is currently using go version 1.11 along with module support.
+A working setup for the Go Programming Language is needed. Here is a [getting
+started](https://golang.org/doc/install) guide. The project is currently
+using go version 1.15 along with module support.
 
 #### Slack
 
-A slack account needs to be created as well as an [app](https://api.slack.com/apps). The app created is intended for development
-purposes. The following functionality must be enabled in the `Add features and functionality` section of the slack app configuration:
+NOTE: This project uses the original outdated Slack OAUTH 2.0 flow. Work is in
+progress to update this to use Slack's V2 OAUTH 2.0 flow.
 
-* Slash Commands
-* Bots
+A slack account needs to be created as well as an
+[app](https://api.slack.com/apps). The app created is intended for
+development purposes. The following functionality must be enabled in the `Add
+features and functionality` section of the slack app configuration:
 
-The slash command setup is `/jitsi` and the bot mention name is `@jitsi_meet`.
+* App Home
+  * Bot Name: 'jitsi_meet'
+* Slash Commands
+  * set up '/jitsi' with: https://[server]/slash/jitsi
+* OAuth & Permissions
+  * redirect URL: https://[server]/slack/auth
+* Event Subscriptions:
+  * request URL: https://[server]/slack/event
+  * Subscribe to workspace events: 'tokens_revoked'
 
 ## Configuration
 
@@ -34,8 +46,9 @@ SLACK_CLIENT_ID=<client id of slack app>
 SLACK_CLIENT_SECRET=<client secret of slack app>
 SLACK_APP_ID=<slack app id>
 SLACK_APP_SHARABLE_URL=<slack app url for sharing install>
-DYNAMO_TABLE=<dynamodb table name for storing oauth tokens>
 DYNAMO_REGION=<dynamodb region used>
+TOKEN_TABLE=<dynamodb table name for storing oauth tokens>
+SERVER_CFG_TABLE=<dynamodb table name for server config info>
 JITSI_TOKEN_SIGNING_KEY=<key used to sign conference asap jwts>
 JITSI_TOKEN_KID=<key identifier for conference asap jwts>
 JITSI_TOKEN_ISS=<issuer for conference asap jwts>
@@ -43,22 +56,22 @@ JITSI_TOKEN_AUD=<audience for conference asap jwts>
 JITSI_CONFERENCE_HOST=<conference hosting service i.e. https://meet.jit.si>
 ```
 
-## Development
-Features are being worked on that assist with local development that remove the need for dynamodb and support a developer's Slack workspace.
-
 ## Running
 
-Clone this project and build with `go build cmd/api/main.go` or build and run with `go run cmd/api/main.go`
+Clone this project and build with `go build cmd/api/main.go` or build and run
+with `go run cmd/api/main.go`
 
 ## Dependency Management
 
-Dependency management for this project uses go module as of go version 1.11. More information can be found at [go command documentation](https://golang.org/cmd/go/#hdr-Modules__module_versions__and_more).
+Dependency management for this project uses go module as of go version 1.15.
+More information can be found at [go command
+documentation](https://golang.org/cmd/go/#hdr-Modules__module_versions__and_more).
 
 ## Versioning
 
-This project uses [Semantic Versioning](https://semver.org) for the code and associated
-docker containers. Versions are tracked as [tags](https://github.com/jitsi/jitsi-slack/tags) on this repository.
-
+This project uses [Semantic Versioning](https://semver.org) for the code and
+associated docker containers. Versions are tracked as
+[tags](https://github.com/jitsi/jitsi-slack/tags) on this repository.
 ## License
 
 This project is licensed under the Apache 2.0 License [LICENSE](LICENSE)
diff --git a/go.mod b/go.mod
index 7888628..5aed630 100644
--- a/go.mod
+++ b/go.mod
@@ -1,20 +1,19 @@
 module github.com/jitsi/jitsi-slack
 
+go 1.15
+
 require (
 	github.com/aws/aws-sdk-go v1.15.6
 	github.com/caarlos0/env v3.3.0+incompatible
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible
 	github.com/go-ini/ini v1.38.1 // indirect
 	github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e // indirect
-	github.com/gorilla/websocket v1.2.0 // indirect
 	github.com/jtolds/gls v4.2.1+incompatible // indirect
 	github.com/justinas/alice v0.0.0-20171023064455-03f45bd4b7da
-	github.com/lusis/go-slackbot v0.0.0-20180109053408-401027ccfef5 // indirect
-	github.com/lusis/slack-test v0.0.0-20180109053238-3c758769bfa6 // indirect
 	github.com/mitchellh/mapstructure v1.1.2
-	github.com/nlopes/slack v0.3.0
 	github.com/rs/xid v1.2.0 // indirect
 	github.com/rs/zerolog v1.8.0
+	github.com/slack-go/slack v0.8.0
 	github.com/smartystreets/assertions v0.0.0-20190116191733-b6c0e53d7304 // indirect
 	github.com/smartystreets/goconvey v0.0.0-20181108003508-044398e4856c // indirect
 	github.com/stretchr/testify v1.3.0 // indirect
diff --git a/go.sum b/go.sum
index f90c7c1..a28180f 100644
--- a/go.sum
+++ b/go.sum
@@ -4,40 +4,43 @@ github.com/caarlos0/env v3.3.0+incompatible h1:jCfY0ilpzC2FFViyZyDKCxKybDESTwaR+
 github.com/caarlos0/env v3.3.0+incompatible/go.mod h1:tdCsowwCzMLdkqRYDlHpZCp2UooDD3MspDBjZ2AD02Y=
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 github.com/go-ini/ini v1.25.4/go.mod h1:ByCAeIL28uOIIG0E3PJtZPDL8WnHpFKFOtgjp+3Ies8=
 github.com/go-ini/ini v1.38.1 h1:hbtfM8emWUVo9GnXSloXYyFbXxZ+tG6sbepSStoe1FY=
 github.com/go-ini/ini v1.38.1/go.mod h1:ByCAeIL28uOIIG0E3PJtZPDL8WnHpFKFOtgjp+3Ies8=
+github.com/go-test/deep v1.0.4 h1:u2CU3YKy9I2pmu9pX0eq50wCgjfGIt539SqR7FbHiho=
+github.com/go-test/deep v1.0.4/go.mod h1:wGDj63lr65AM2AQyKZd/NYHGb0R+1RLqB8NKt3aSFNA=
 github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e h1:JKmoR8x90Iww1ks85zJ1lfDGgIiMDuIptTOhJq+zKyg=
 github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
-github.com/gorilla/websocket v1.2.0 h1:VJtLvh6VQym50czpZzx07z/kw9EgAxI3x1ZB8taTMQQ=
-github.com/gorilla/websocket v1.2.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
+github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
+github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/jmespath/go-jmespath v0.0.0-20160202185014-0b12d6b521d8 h1:12VvqtR6Aowv3l/EQUlocDHW2Cp4G9WJVH7uyH8QFJE=
 github.com/jmespath/go-jmespath v0.0.0-20160202185014-0b12d6b521d8/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
 github.com/jtolds/gls v4.2.1+incompatible h1:fSuqC+Gmlu6l/ZYAoZzx2pyucC8Xza35fpRVWLVmUEE=
 github.com/jtolds/gls v4.2.1+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
 github.com/justinas/alice v0.0.0-20171023064455-03f45bd4b7da h1:5y58+OCjoHCYB8182mpf/dEsq0vwTKPOo4zGfH0xW9A=
 github.com/justinas/alice v0.0.0-20171023064455-03f45bd4b7da/go.mod h1:oLH0CmIaxCGXD67VKGR5AacGXZSMznlmeqM8RzPrcY8=
-github.com/lusis/go-slackbot v0.0.0-20180109053408-401027ccfef5 h1:AsEBgzv3DhuYHI/GiQh2HxvTP71HCCE9E/tzGUzGdtU=
-github.com/lusis/go-slackbot v0.0.0-20180109053408-401027ccfef5/go.mod h1:c2mYKRyMb1BPkO5St0c/ps62L4S0W2NAkaTXj9qEI+0=
-github.com/lusis/slack-test v0.0.0-20180109053238-3c758769bfa6 h1:iOAVXzZyXtW408TMYejlUPo6BIn92HmOacWtIfNyYns=
-github.com/lusis/slack-test v0.0.0-20180109053238-3c758769bfa6/go.mod h1:sFlOUpQL1YcjhFVXhg1CG8ZASEs/Mf1oVb6H75JL/zg=
 github.com/mitchellh/mapstructure v1.1.2 h1:fmNYVwqnSfB9mZU6OS2O6GsXM+wcskZDuKQzvN1EDeE=
 github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
-github.com/nlopes/slack v0.3.0 h1:jCxvaS8wC4Bb1jnbqZMjCDkOOgy4spvQWcrw/TF0L0E=
-github.com/nlopes/slack v0.3.0/go.mod h1:jVI4BBK3lSktibKahxBF74txcK2vyvkza1z/+rRnVAM=
+github.com/pkg/errors v0.8.0 h1:WdK/asTD0HN+q6hsWO3/vpuAkAr+tw6aNJNDFFf0+qw=
+github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/rs/xid v1.2.0 h1:qRPemPiF/Pl06j+Pp5kjRpgRmUJCsfdPcFo/LZlsobA=
 github.com/rs/xid v1.2.0/go.mod h1:+uKXf+4Djp6Md1KODXJxgGQPKngRmWyn10oCKFzNHOQ=
 github.com/rs/zerolog v1.8.0 h1:Oglcb4i6h42uWacEjomB2MI8gfkwCwTMFaDY3+Vgj5k=
 github.com/rs/zerolog v1.8.0/go.mod h1:YbFCdg8HfsridGWAh22vktObvhZbQsZXe4/zB0OKkWU=
+github.com/slack-go/slack v0.8.0 h1:ANyLY5KHLV+MxLJDQum2IuHTLwbCbDtaWY405X1EU9U=
+github.com/slack-go/slack v0.8.0/go.mod h1:FGqNzJBmxIsZURAxh2a8D21AnOVvvXZvGligs4npPUM=
 github.com/smartystreets/assertions v0.0.0-20190116191733-b6c0e53d7304 h1:Jpy1PXuP99tXNrhbq2BaPz9B+jNAvH1JPQQpG/9GCXY=
 github.com/smartystreets/assertions v0.0.0-20190116191733-b6c0e53d7304/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
 github.com/smartystreets/goconvey v0.0.0-20181108003508-044398e4856c h1:Ho+uVpkel/udgjbwB5Lktg9BtvJSh2DT0Hi6LPSyI2w=
 github.com/smartystreets/goconvey v0.0.0-20181108003508-044398e4856c/go.mod h1:XDJAKZRPZ1CvBcN2aX5YOUTYGHki24fSF0Iv48Ibg0s=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/vincent-petithory/dataurl v0.0.0-20160330182126-9a301d65acbb h1:lyL3z7vYwTWXf4/bI+A01+cCSnfhKIBhy+SQ46Z/ml8=
diff --git a/slack_messages.go b/slack_messages.go
index f7b50a9..2c5035a 100644
--- a/slack_messages.go
+++ b/slack_messages.go
@@ -3,7 +3,7 @@ package jitsi
 import (
 	"fmt"
 
-	"github.com/nlopes/slack"
+	"github.com/slack-go/slack"
 )
 
 var (
@@ -80,24 +80,21 @@ func sendPersonalizedInvite(token, hostID, userID string, meeting *Meeting) erro
 		return err
 	}
 
-	params := slack.PostMessageParameters{
-		Attachments: []slack.Attachment{
-			slack.Attachment{
-				Fallback: msg,
-				Title:    msg,
-				Color:    "#3AA3E3",
-				Actions: []slack.AttachmentAction{
-					slack.AttachmentAction{
-						Name:  "join",
-						Text:  "Join",
-						Type:  "button",
-						Style: "primary",
-						URL:   meetingURL,
-					},
+	attachments := slack.MsgOptionAttachments(
+		slack.Attachment{
+			Fallback: msg,
+			Title:    msg,
+			Color:    "#3AA3E3",
+			Actions: []slack.AttachmentAction{
+				slack.AttachmentAction{
+					Name:  "join",
+					Text:  "Join",
+					Type:  "button",
+					Style: "primary",
+					URL:   meetingURL,
 				},
 			},
-		},
-	}
+		})
 
 	channel, _, _, err := slackClient.OpenConversation(
 		&slack.OpenConversationParameters{
@@ -108,7 +105,7 @@ func sendPersonalizedInvite(token, hostID, userID string, meeting *Meeting) erro
 		return err
 	}
 
-	_, _, err = slackClient.PostMessage(channel.ID, "", params)
+	_, _, err = slackClient.PostMessage(channel.ID, slack.MsgOptionText("", false), attachments)
 	return err
 }