diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 37a5d3b..faf05df 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: [1.21.x]
+        go-version: [1.23.x]
         os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
@@ -21,6 +21,6 @@ jobs:
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v3
         with:
-          version: v1.55
+          version: v1.63
       - run: go vet ./...
       - run: go test ./...
diff --git a/.golangci.yml b/.golangci.yml
new file mode 100644
index 0000000..e467d8c
--- /dev/null
+++ b/.golangci.yml
@@ -0,0 +1,13 @@
+linters-settings:
+  gocritic:
+    disabled-checks:
+      - ifElseChain
+      - elseif
+
+linters:
+  enable:
+    - gofmt
+    - govet
+    - gocritic
+    - unconvert
+    - revive
diff --git a/examplebot/extension.go b/examplebot/extension.go
index 8871b94..3fd56ef 100644
--- a/examplebot/extension.go
+++ b/examplebot/extension.go
@@ -14,7 +14,7 @@ import (
 
 type extension struct{}
 
-func (e *extension) Run(bot *slackbot.Bot, channel string, args []string) (string, error) {
+func (e *extension) Run(bot *slackbot.Bot, _ string, args []string) (string, error) {
 	app := kingpin.New("examplebot", "Kingpin extension")
 	app.Terminate(nil)
 	stringBuffer := new(bytes.Buffer)
@@ -32,8 +32,7 @@ func (e *extension) Run(bot *slackbot.Bot, channel string, args []string) (strin
 		return fmt.Sprintf("I would have run: `%#v`", cmd), nil
 	}
 
-	switch cmd {
-	case testCmd.FullCommand():
+	if cmd == testCmd.FullCommand() {
 		return *testCmdEchoFlag, nil
 	}
 	return cmd, nil
diff --git a/go.mod b/go.mod
index 773de3d..12f4d57 100644
--- a/go.mod
+++ b/go.mod
@@ -1,9 +1,11 @@
 module github.com/keybase/slackbot
 
-go 1.19
+go 1.21
+
+toolchain go1.23.4
 
 require (
-	github.com/keybase/go-keybase-chat-bot v0.0.0-20231213202706-1bdf50c0adf4
+	github.com/keybase/go-keybase-chat-bot v0.0.0-20250106203511-859265729a56
 	github.com/nlopes/slack v0.1.1-0.20180101221843-107290b5bbaf
 	gopkg.in/alecthomas/kingpin.v2 v2.2.6
 )
@@ -15,7 +17,7 @@ require (
 	github.com/kr/text v0.2.0 // indirect
 	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/stretchr/testify v1.8.4 // indirect
+	github.com/stretchr/testify v1.10.0 // indirect
 	golang.org/x/net v0.0.0-20211118161319-6a13c67c3ce4 // indirect
 	gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
diff --git a/go.sum b/go.sum
index 92b8e2a..8137dcd 100644
--- a/go.sum
+++ b/go.sum
@@ -6,8 +6,8 @@ github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ3
 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/keybase/go-keybase-chat-bot v0.0.0-20231213202706-1bdf50c0adf4 h1:PlYdzv1QYDX8aYRJRa5Nz/CP7mqXcUn5kZww5+A3Oaw=
-github.com/keybase/go-keybase-chat-bot v0.0.0-20231213202706-1bdf50c0adf4/go.mod h1:ebfhBYCricPJlrhrYBw6Z0kGDoa5vkeUgPCXS1RPp/4=
+github.com/keybase/go-keybase-chat-bot v0.0.0-20250106203511-859265729a56 h1:w8ikAizh5hbXZxBXbees5iOxOoi7nH/qp1lJQ3pOPiY=
+github.com/keybase/go-keybase-chat-bot v0.0.0-20250106203511-859265729a56/go.mod h1:cmXzSxB8TNJdxMKcmywTHsbv+H3WZ/92lP9nyEbCGNQ=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
@@ -20,8 +20,8 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
-github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
+github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 golang.org/x/net v0.0.0-20211118161319-6a13c67c3ce4 h1:DZshvxDdVoeKIbudAdFEKi+f70l51luSy/7b76ibTY0=
 golang.org/x/net v0.0.0-20211118161319-6a13c67c3ce4/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6 h1:jMFz6MfLP0/4fUyZle81rXUoxOBFi19VUFKVDOQfozc=
diff --git a/hybrid.go b/hybrid.go
index f09c463..497d5ca 100644
--- a/hybrid.go
+++ b/hybrid.go
@@ -16,7 +16,7 @@ func newHybridRunner(runner BotCommandRunner, channel string) *hybridRunner {
 	}
 }
 
-func (r *hybridRunner) RunCommand(args []string, channel string) error {
+func (r *hybridRunner) RunCommand(args []string, _ string) error {
 	return r.runner.RunCommand(args, r.channel)
 
 }
@@ -36,7 +36,7 @@ func NewHybridBackend(backends ...HybridBackendMember) *HybridBackend {
 	}
 }
 
-func (b *HybridBackend) SendMessage(text string, channel string) {
+func (b *HybridBackend) SendMessage(text string, _ string) {
 	for _, backend := range b.backends {
 		backend.Backend.SendMessage(text, backend.Channel)
 	}
diff --git a/kbchat.go b/kbchat.go
index f61ff85..2d1ea71 100644
--- a/kbchat.go
+++ b/kbchat.go
@@ -37,7 +37,7 @@ func (b *KeybaseChatBotBackend) SendMessage(text string, convID string) {
 		return
 	}
 	log.Printf("sending message: convID: %s text: %s", convID, text)
-	if _, err := b.kbc.SendMessageByConvID(chat1.ConvIDStr(convID), text); err != nil {
+	if _, err := b.kbc.SendMessageByConvID(chat1.ConvIDStr(convID), "%s", text); err != nil {
 		log.Printf("SendMessage: failed to send: %s\n", err)
 	}
 }
diff --git a/keybot/winbot.go b/keybot/winbot.go
index db0c9e1..66f587e 100644
--- a/keybot/winbot.go
+++ b/keybot/winbot.go
@@ -209,7 +209,7 @@ func (d *winbot) Run(bot *slackbot.Bot, channel string, args []string) (string,
 				logf.Close()
 				return string(stdoutStderr), err
 			}
-			commit := strings.TrimSpace(string(stdoutStderr[:]))
+			commit := strings.TrimSpace(string(stdoutStderr))
 			if commit != "HEAD" {
 				gitCmd = exec.Command(
 					"git.exe",
@@ -294,7 +294,7 @@ func (d *winbot) Run(bot *slackbot.Bot, channel string, args []string) (string,
 				scanner := bufio.NewScanner(f)
 				for scanner.Scan() {
 					lines[lineCount%numLogLines] = scanner.Text()
-					lineCount += 1
+					lineCount++
 				}
 				if err := scanner.Err(); err != nil {
 					bot.SendMessage(autoBuild+"Error scanning "+logFileName+": "+err.Error(), channel)
@@ -315,7 +315,7 @@ func (d *winbot) Run(bot *slackbot.Bot, channel string, args []string) (string,
 				msg := fmt.Sprintf("%s, log upload error %s", resultMsg, err2.Error())
 				bot.SendMessage(msg, channel)
 			} else {
-				msg := fmt.Sprintf("%s, view log at %s", resultMsg, string(urlBytes[:]))
+				msg := fmt.Sprintf("%s, view log at %s", resultMsg, string(urlBytes))
 				bot.SendMessage(msg, channel)
 			}
 		}()
@@ -374,7 +374,7 @@ func (d *winbot) Run(bot *slackbot.Bot, channel string, args []string) (string,
 		bot.SendMessage(string(stdoutStderr), channel)
 
 	case restartCmd.FullCommand():
-		os.Exit(0)
+		os.Exit(0) //nolint
 	}
 	return cmd, nil
 }
diff --git a/send/main.go b/send/main.go
index b38cb27..c5605c3 100644
--- a/send/main.go
+++ b/send/main.go
@@ -32,7 +32,7 @@ func main() {
 	}
 
 	api := slack.New(slackbot.GetTokenFromEnv())
-	//api.SetDebug(true)
+	// api.SetDebug(true)
 
 	channelIDs, err := slackbot.LoadChannelIDs(*api)
 	if err != nil {
diff --git a/slack.go b/slack.go
index c2321ab..641ea3c 100644
--- a/slack.go
+++ b/slack.go
@@ -7,7 +7,7 @@ import (
 )
 
 // SlackBotBackend is a Slack bot backend
-type SlackBotBackend struct {
+type SlackBotBackend struct { //nolint
 	api *slack.Client
 	rtm *slack.RTM
 
@@ -17,7 +17,7 @@ type SlackBotBackend struct {
 // NewSlackBotBackend constructs a bot backend from a Slack token
 func NewSlackBotBackend(token string) (BotBackend, error) {
 	api := slack.New(token)
-	//api.SetDebug(true)
+	// api.SetDebug(true)
 
 	channelIDs, err := LoadChannelIDs(*api)
 	if err != nil {
@@ -80,10 +80,10 @@ Loop:
 			}
 
 		case *slack.PresenceChangeEvent:
-			//log.Printf("Presence Change: %v\n", ev)
+			// log.Printf("Presence Change: %v\n", ev)
 
 		case *slack.LatencyReport:
-			//log.Printf("Current latency: %v\n", ev.Value)
+			// log.Printf("Current latency: %v\n", ev.Value)
 
 		case *slack.RTMError:
 			log.Printf("Error: %s\n", ev.Error())
diff --git a/tuxbot/tuxbot.go b/tuxbot/tuxbot.go
index 25e7b6c..6c1ea22 100644
--- a/tuxbot/tuxbot.go
+++ b/tuxbot/tuxbot.go
@@ -19,7 +19,7 @@ import (
 	kingpin "gopkg.in/alecthomas/kingpin.v2"
 )
 
-func (t *tuxbot) linuxBuildFunc(channel string, args []string, skipCI bool, nightly bool) (string, error) {
+func (t *tuxbot) linuxBuildFunc(channel string, _ []string, skipCI bool, nightly bool) (string, error) {
 	currentUser, err := user.Current()
 	if err != nil {
 		return "", err
@@ -73,8 +73,7 @@ func (t *tuxbot) Run(bot *slackbot.Bot, channel string, args []string) (string,
 		return usage, err
 	}
 
-	switch cmd {
-	case buildLinux.FullCommand():
+	if cmd == buildLinux.FullCommand() {
 		if bot.Config().DryRun() {
 			if *buildLinuxSkipCI {
 				return "Dry Run: Doing that would run `prerelease.sh` with NOWAIT=1 set", nil