diff --git a/build/includes/examples.mk b/build/includes/examples.mk
index cd0fedf7f0..04923f3676 100644
--- a/build/includes/examples.mk
+++ b/build/includes/examples.mk
@@ -100,3 +100,8 @@ build-example-xonotic:
 
 build-example-custom-controller:
 	$(MAKE) build-example EXAMPLE=custom-controller
+
+# ensure a version increase when an example changes
+check-example-versions: ensure-build-image
+	docker run --rm $(common_mounts) --workdir=$(mount_path)/build/scripts/example-version-checker $(DOCKER_RUN_ARGS) $(build_tag) \
+		go run main.go
diff --git a/build/scripts/example-version-checker/go.mod b/build/scripts/example-version-checker/go.mod
new file mode 100644
index 0000000000..43a5b6c254
--- /dev/null
+++ b/build/scripts/example-version-checker/go.mod
@@ -0,0 +1,29 @@
+module github.com/agones/agones/build/scripts/example-version-checker
+
+go 1.21
+
+require github.com/go-git/go-git/v5 v5.12.0
+
+require (
+	dario.cat/mergo v1.0.0 // indirect
+	github.com/Microsoft/go-winio v0.6.1 // indirect
+	github.com/ProtonMail/go-crypto v1.0.0 // indirect
+	github.com/cloudflare/circl v1.3.7 // indirect
+	github.com/cyphar/filepath-securejoin v0.2.4 // indirect
+	github.com/emirpasic/gods v1.18.1 // indirect
+	github.com/go-git/gcfg v1.5.1-0.20230307220236-3a3c6141e376 // indirect
+	github.com/go-git/go-billy/v5 v5.5.0 // indirect
+	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
+	github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect
+	github.com/kevinburke/ssh_config v1.2.0 // indirect
+	github.com/pjbgf/sha1cd v0.3.0 // indirect
+	github.com/sergi/go-diff v1.3.2-0.20230802210424-5b0b94c5c0d3 // indirect
+	github.com/skeema/knownhosts v1.2.2 // indirect
+	github.com/xanzy/ssh-agent v0.3.3 // indirect
+	golang.org/x/crypto v0.21.0 // indirect
+	golang.org/x/mod v0.12.0 // indirect
+	golang.org/x/net v0.22.0 // indirect
+	golang.org/x/sys v0.18.0 // indirect
+	golang.org/x/tools v0.13.0 // indirect
+	gopkg.in/warnings.v0 v0.1.2 // indirect
+)
diff --git a/build/scripts/example-version-checker/go.sum b/build/scripts/example-version-checker/go.sum
new file mode 100644
index 0000000000..d7b845300d
--- /dev/null
+++ b/build/scripts/example-version-checker/go.sum
@@ -0,0 +1,145 @@
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+github.com/ProtonMail/go-crypto v1.0.0/go.mod h1:EjAoLdwvbIOoOQr3ihjnSoLZRtE8azugULFRteWMNc0=
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+github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be/go.mod h1:ySMOLuWl6zY27l47sB3qLNK6tF2fkHG55UZxx8oIVo4=
+github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5 h1:0CwZNZbxp69SHPdPJAN/hZIm0C4OItdklCFmMRWYpio=
+github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5/go.mod h1:wHh0iHkYZB8zMSxRWpUBQtwG5a7fFgvEO+odwuTv2gs=
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diff --git a/build/scripts/example-version-checker/main.go b/build/scripts/example-version-checker/main.go
new file mode 100644
index 0000000000..58d57a53cf
--- /dev/null
+++ b/build/scripts/example-version-checker/main.go
@@ -0,0 +1,329 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"log"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/go-git/go-git/v5"
+	"github.com/go-git/go-git/v5/plumbing"
+	"github.com/go-git/go-git/v5/plumbing/object"
+)
+
+const cloneDir = "tmp"
+const rootDir = "../../../"
+const examplesDir = "examples"
+const gitUrl = "https://github.com/googleforgames/agones.git"
+const targetBranch = "refs/heads/main"
+
+var exlcudedPatterns = [...]string{"*.md", "*.yaml", "OWNERS", ".gitignore"}
+
+func main() {
+	log.Println("Checking that modified examples have new versions.")
+
+	local, remote := getCommits()
+	changed := getChangedFilenames(local, remote)
+	sameVersionNames := getSameVersionExampleNames(local, remote)
+
+	failed := getFailedFiles(changed, sameVersionNames)
+	if len(failed) != 0 {
+		grouped := groupByExampleName(failed)
+		reportFailedFiles(grouped)
+	}
+
+	log.Println()
+	log.Println("The check for version changes succeeded.")
+}
+
+func getFailedFiles(filePaths []string, sameVersionNames []string) []string {
+	failed := make([]string, 0)
+
+	for _, filePath := range filePaths {
+		if filenameInExamples(filePath, sameVersionNames) {
+			failed = append(failed, filePath)
+		}
+	}
+
+	return failed
+}
+
+func reportFailedFiles(groupedPaths map[string][]string) {
+	log.Println()
+	log.Println("The below examples were modified, without increasing the version in its Makefile.")
+	log.Println()
+	log.Println("examples/")
+
+	for exampleName, filePaths := range groupedPaths {
+		log.Printf("\t%s/\n", exampleName)
+		for _, filePath := range filePaths {
+			log.Printf("\t\t%s\n", filePath)
+		}
+	}
+
+	log.Println()
+	log.Fatal("The check for version changes failed. Please increment the above versions.")
+}
+
+func groupByExampleName(filePaths []string) map[string][]string {
+	grouped := make(map[string][]string, 0)
+
+	for _, filePath := range filePaths {
+		grouped = appendToGroup(grouped, filePath)
+	}
+
+	return grouped
+}
+
+func splitPath(filePath string) (string, string) {
+	trimmed, _ := strings.CutPrefix(filePath, fmt.Sprintf("%s/", examplesDir))
+	split := strings.SplitN(trimmed, "/", 2)
+
+	exampleName := split[0]
+	relative := split[1]
+
+	return exampleName, relative
+}
+
+func appendToGroup(grouped map[string][]string, filePath string) map[string][]string {
+	exampleName, relative := splitPath(filePath)
+
+	val, ok := grouped[exampleName]
+	if ok {
+		val = append(val, relative)
+	} else {
+		val = []string{relative}
+	}
+
+	grouped[exampleName] = val
+
+	return grouped
+}
+
+func getLocalRepo() *git.Repository {
+	repo, err := git.PlainOpen(rootDir)
+	if err != nil {
+		log.Fatalf("Failed to open local git repository: %v", err)
+	}
+
+	return repo
+}
+
+func getHeadCommit(repo *git.Repository) *object.Commit {
+	ref, err := repo.Reference(plumbing.HEAD, true)
+	if err != nil {
+		log.Fatalf("Failed to get HEAD reference: %v", err)
+	}
+
+	commit, err := repo.CommitObject(ref.Hash())
+	if err != nil {
+		log.Fatalf("Failed to get HEAD commit object: %v", err)
+	}
+
+	return commit
+}
+
+func getChangedFilenames(local *object.Commit, remote *object.Commit) []string {
+	changes := getChanges(local, remote)
+	exampleNames := getAllExampleNames()
+
+	filenames := make([]string, 0)
+	for _, change := range changes {
+		filename := change.To.Name
+		if !filenameIsIrrelevant(filename, exampleNames) {
+			filenames = append(filenames, filename)
+		}
+	}
+
+	return filenames
+}
+
+func getCommits() (*object.Commit, *object.Commit) {
+	localRepo := getLocalRepo()
+	localCommit := getHeadCommit(localRepo)
+
+	remoteRepo := cloneRemoteRepo()
+	remoteCommit := getHeadCommit(remoteRepo)
+
+	return localCommit, remoteCommit
+}
+
+func getChanges(local *object.Commit, remote *object.Commit) object.Changes {
+	localTree := getCommitTree(local)
+	remoteTree := getCommitTree(remote)
+
+	changes, err := object.DiffTree(localTree, remoteTree)
+	if err != nil {
+		log.Fatalf("Failed to diff trees: %v", err)
+	}
+
+	return changes
+}
+
+func getCommitTree(commit *object.Commit) *object.Tree {
+	tree, err := commit.Tree()
+	if err != nil {
+		log.Fatalf("Failed to get tree: %v", err)
+	}
+
+	return tree
+}
+
+func exampleVersionChanged(exampleName string, local *object.Commit, remote *object.Commit) bool {
+	localVersion := getVersionFromCommit(exampleName, local)
+	remoteVersion := getVersionFromCommit(exampleName, remote)
+
+	return localVersion != remoteVersion
+}
+
+func getVersionFromCommit(exampleName string, commit *object.Commit) string {
+	filePath := fmt.Sprintf("%s/%s/Makefile", examplesDir, exampleName)
+	contents := getFileContents(commit, filePath)
+
+	return getVersionFromMakefile(contents)
+}
+
+func getFileContents(commit *object.Commit, filePath string) string {
+	tree := getCommitTree(commit)
+
+	return getFileContentsFromTree(tree, filePath)
+}
+
+func getFileContentsFromTree(tree *object.Tree, filePath string) string {
+	file, err := tree.File(filePath)
+	if err != nil {
+		log.Fatalf("Failed to get file in tree: %v", err)
+	}
+
+	reader, err := file.Reader()
+	if err != nil {
+		log.Fatalf("Failed to get reader on file: %v", err)
+	}
+	defer reader.Close()
+
+	content, err := io.ReadAll(reader)
+	if err != nil {
+		log.Fatalf("Failed to get file contents: %v", err)
+	}
+
+	return string(content)
+}
+
+func cloneRemoteRepo() *git.Repository {
+	os.RemoveAll(cloneDir)
+	cloneOptions := &git.CloneOptions{
+		URL:           gitUrl,
+		ReferenceName: targetBranch,
+	}
+	repo, err := git.PlainClone(cloneDir, false, cloneOptions)
+	if err != nil {
+		log.Fatalf("Failed to clone the upstream git repository: %v", err)
+	}
+	return repo
+}
+
+func getSameVersionExampleNames(local *object.Commit, remote *object.Commit) []string {
+	exampleNames := getAllExampleNames()
+
+	sameVersionNames := make([]string, 0)
+	for _, exampleName := range exampleNames {
+		if !exampleVersionChanged(exampleName, local, remote) {
+			sameVersionNames = append(sameVersionNames, exampleName)
+		}
+	}
+
+	return sameVersionNames
+}
+
+func dirIsExample(dirName string) bool {
+	makefileName := fmt.Sprintf("%s/Makefile", dirName)
+	if _, err := os.Stat(makefileName); err == nil {
+		return true
+	} else {
+		return false
+	}
+}
+
+func getAllExampleNames() []string {
+	dirNames := make([]string, 0)
+
+	baseDir := fmt.Sprintf("%s%s", rootDir, examplesDir)
+
+	entries, err := os.ReadDir(baseDir)
+	if err != nil {
+		log.Fatalf("Could not open directory: %v", err)
+	}
+
+	for _, entry := range entries {
+		name := entry.Name()
+		path := fmt.Sprintf("%s/%s", baseDir, entry.Name())
+		if dirIsExample(path) {
+			dirNames = append(dirNames, name)
+		}
+	}
+	return dirNames
+}
+
+func getVersionFromMakefile(contents string) string {
+	scanner := bufio.NewScanner(strings.NewReader(contents))
+	for scanner.Scan() {
+		line := scanner.Text()
+		if lineContainsVersion(line) {
+			return getVersionFromLine(line)
+		}
+	}
+
+	if err := scanner.Err(); err != nil {
+		log.Fatalf("Could not get version: %v", err)
+	}
+
+	log.Fatal("No version string was found")
+	return ""
+}
+
+func lineContainsVersion(line string) bool {
+	return strings.HasPrefix(line, "version")
+}
+
+func getVersionFromLine(line string) string {
+	split := strings.SplitN(line, ":=", 2)
+	if len(split) != 2 {
+		log.Fatalf("Bad version line: %s", line)
+	}
+	trimmed := strings.TrimSpace(split[1])
+	if trimmed == "" {
+		log.Fatal("Version can not be empty")
+	}
+	return trimmed
+}
+
+func filenameIsIrrelevant(filename string, exampleNames []string) bool {
+	if !filenameInExamples(filename, exampleNames) {
+		return true
+	}
+
+	for _, excludedName := range exlcudedPatterns {
+		matches, err := filepath.Match(excludedName, filename)
+		if err != nil {
+			log.Fatalf("Unknown error: %s", err)
+		}
+
+		if matches {
+			return true
+		}
+	}
+	return false
+}
+
+func filenameInExamples(filename string, exampleNames []string) bool {
+	for _, exampleName := range exampleNames {
+		path := fmt.Sprintf("%s/%s", examplesDir, exampleName)
+		if strings.HasPrefix(filename, path) {
+			return true
+		}
+	}
+	return false
+}