diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 44ecc8a..cc68a4a 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -8,5 +8,5 @@ jobs:
       - uses: actions/checkout@master
       - uses: actions/setup-go@v2
         with:
-          go-version: "1.16"
+          go-version: "1.21"
       - run: go test .
diff --git a/Dockerfile b/Dockerfile
index 68ae723..94e26e9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.16-alpine
+FROM golang:1.21-alpine3.18
 WORKDIR /src
 RUN apk --no-cache add git
 COPY main.go go.mod go.sum ./
@@ -7,4 +7,4 @@ RUN CGO_ENABLED=0 GOOS=linux go build -o /bin/prometheus-msk-discovery .
 FROM alpine:latest
 RUN apk --no-cache add ca-certificates
 COPY --from=0 /bin/prometheus-msk-discovery /bin/
-ENTRYPOINT ["prometheus-msk-discovery"]
\ No newline at end of file
+ENTRYPOINT ["prometheus-msk-discovery"]
diff --git a/go.mod b/go.mod
index 7444484..3db2077 100644
--- a/go.mod
+++ b/go.mod
@@ -1,9 +1,19 @@
 module github.com/statsbomb/prometheus-msk-discovery
 
-go 1.16
+go 1.21
 
 require (
 	github.com/aws/aws-sdk-go-v2/config v1.1.4
 	github.com/aws/aws-sdk-go-v2/service/kafka v1.2.1
 	gopkg.in/yaml.v2 v2.4.0
 )
+
+require (
+	github.com/aws/aws-sdk-go-v2 v1.3.1 // indirect
+	github.com/aws/aws-sdk-go-v2/credentials v1.1.4 // indirect
+	github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.0.5 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.0.5 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sso v1.1.4 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sts v1.2.1 // indirect
+	github.com/aws/smithy-go v1.3.0 // indirect
+)
diff --git a/go.sum b/go.sum
index cf4d9b0..aff021e 100644
--- a/go.sum
+++ b/go.sum
@@ -17,12 +17,15 @@ github.com/aws/aws-sdk-go-v2/service/sts v1.2.1/go.mod h1:L1LH5nHMXxdkKj057ZUx7W
 github.com/aws/smithy-go v1.3.0 h1:awbB2OJBZ/Txj+c4q+qhDQs3Ob0sRhBuIIkOD4Aq8yc=
 github.com/aws/smithy-go v1.3.0/go.mod h1:SObp3lf9smib00L/v3U2eAKG8FyQ7iLrJnQiAmR5n+E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/google/go-cmp v0.5.4 h1:L8R9j+yAqZuZjsqh/z+F1NCffTKKLShY6zXTItVIZ8M=
 github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/jmespath/go-jmespath v0.4.0/go.mod h1:T8mJZnbsbmF+m6zOOFylbeCJqk5+pHWvzYPziyZiYoo=
 github.com/jmespath/go-jmespath/internal/testify v1.5.1/go.mod h1:L3OGu8Wl2/fWfCI6z80xFu9LTZmf1ZRjMHUOPmWr69U=
 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=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=