diff --git a/.github/actions/setup/action.yaml b/.github/actions/setup/action.yaml
index ac4a1b3e4..efafbb13e 100644
--- a/.github/actions/setup/action.yaml
+++ b/.github/actions/setup/action.yaml
@@ -6,7 +6,7 @@ runs:
   steps:
     - uses: actions/setup-go@v3
       with:
-        go-version: 1.20.x
+        go-version: 1.21.x
         cache: true
         check-latest: true
     - uses: ko-build/setup-ko@v0.6
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ad03531a5..21ad44371 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -26,7 +26,7 @@ jobs:
     - name: Install Go
       uses: actions/setup-go@v5
       with:
-        go-version: '1.19.x'
+        go-version: '1.21.x'
         cache: true
         check-latest: true
 
diff --git a/go.mod b/go.mod
index ccc89fd4c..53ed992dc 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/shipwright-io/cli
 
-go 1.20
+go 1.21
 
 require (
 	github.com/google/go-containerregistry v0.19.1
diff --git a/vendor/contrib.go.opencensus.io/exporter/ocagent/.travis.yml b/vendor/contrib.go.opencensus.io/exporter/ocagent/.travis.yml
index f53103b1a..96fbc6408 100644
--- a/vendor/contrib.go.opencensus.io/exporter/ocagent/.travis.yml
+++ b/vendor/contrib.go.opencensus.io/exporter/ocagent/.travis.yml
@@ -1,7 +1,7 @@
 language: go
 
 go:
-  - 1.11.x
+  - 1.21.x
 
 go_import_path: contrib.go.opencensus.io/exporter/ocagent
 
@@ -17,4 +17,4 @@ script:
   - if [ -n "$(gofmt -s -l $GO_FILES)" ]; then echo "gofmt the following files:"; gofmt -s -l $GO_FILES; exit 1; fi
   - go vet ./...
   - go test -v -race $PKGS            # Run all the tests with the race detector enabled
-  - 'if [[ $TRAVIS_GO_VERSION = 1.8* ]]; then ! golint ./... | grep -vE "(_mock|_string|\.pb)\.go:"; fi'
+  - 'if [[ $TRAVIS_GO_VERSION = 1.21* ]]; then ! golint ./... | grep -vE "(_mock|_string|\.pb)\.go:"; fi'
diff --git a/vendor/github.com/hashicorp/go-multierror/README.md b/vendor/github.com/hashicorp/go-multierror/README.md
index 71dd308ed..78f98a37b 100644
--- a/vendor/github.com/hashicorp/go-multierror/README.md
+++ b/vendor/github.com/hashicorp/go-multierror/README.md
@@ -27,9 +27,9 @@ Install using `go get github.com/hashicorp/go-multierror`.
 Full documentation is available at
 https://pkg.go.dev/github.com/hashicorp/go-multierror
 
-### Requires go version 1.13 or newer
+### Requires go version 1.21 or newer
 
-`go-multierror` requires go version 1.13 or newer. Go 1.13 introduced
+`go-multierror` requires go version 1.21 or newer. Initially, Go 1.13 introduced
 [error wrapping](https://golang.org/doc/go1.13#error_wrapping), which
 this library takes advantage of.