diff --git a/CHANGELOG.next.asciidoc b/CHANGELOG.next.asciidoc
index 39f76d50b13..787ca45ce5b 100644
--- a/CHANGELOG.next.asciidoc
+++ b/CHANGELOG.next.asciidoc
@@ -442,6 +442,7 @@ field. You can revert this change by configuring tags for the module and omittin
 - Do not need Google credentials if not required for the operation. {issue}17329[17329] {pull}21072[21072]
 - Fix dependency issues of GCP functions. {issue}20830[20830] {pull}21070[21070]
 - Fix catchall bucket config errors by adding more validation. {issue}17572[16282] {pull}20887[16287]
+- Fix Google Cloud Function configuration issue. {issue}20864[20864] {pull}22156[22156]
 
 ==== Added
 
diff --git a/libbeat/cfgfile/cfgfile.go b/libbeat/cfgfile/cfgfile.go
index 767cbd34bc5..ff394906931 100644
--- a/libbeat/cfgfile/cfgfile.go
+++ b/libbeat/cfgfile/cfgfile.go
@@ -205,6 +205,10 @@ func LoadList(file string) ([]*common.Config, error) {
 	return c, nil
 }
 
+func SetConfigPath(path string) {
+	*configPath = path
+}
+
 // GetPathConfig returns ${path.config}. If ${path.config} is not set, ${path.home} is returned.
 func GetPathConfig() string {
 	if *configPath != "" {
diff --git a/x-pack/functionbeat/provider/gcp/pubsub/pubsub.go b/x-pack/functionbeat/provider/gcp/pubsub/pubsub.go
index 44f77695e94..813a0df9cc0 100644
--- a/x-pack/functionbeat/provider/gcp/pubsub/pubsub.go
+++ b/x-pack/functionbeat/provider/gcp/pubsub/pubsub.go
@@ -29,6 +29,7 @@ func RunPubSub(ctx context.Context, m gpubsub.Message) error {
 		ConfigOverrides: config.FunctionOverrides,
 	}
 
+	cfgfile.SetConfigPath("/srv/src/pubsub")
 	cfgfile.ChangeDefaultCfgfileFlag(settings.Name)
 
 	return instance.Run(settings, initFunctionbeat(ctx, m))
diff --git a/x-pack/functionbeat/provider/gcp/storage/storage.go b/x-pack/functionbeat/provider/gcp/storage/storage.go
index c9d1660d67c..2de829392d2 100644
--- a/x-pack/functionbeat/provider/gcp/storage/storage.go
+++ b/x-pack/functionbeat/provider/gcp/storage/storage.go
@@ -27,6 +27,7 @@ func RunCloudStorage(ctx context.Context, e gcp.StorageEvent) error {
 		ConfigOverrides: config.FunctionOverrides,
 	}
 
+	cfgfile.SetConfigPath("/srv/src/storage")
 	cfgfile.ChangeDefaultCfgfileFlag(settings.Name)
 
 	return instance.Run(settings, initFunctionbeat(ctx, e))
diff --git a/x-pack/functionbeat/scripts/mage/update.go b/x-pack/functionbeat/scripts/mage/update.go
index 59b56cb6bed..99f1b9a3ce3 100644
--- a/x-pack/functionbeat/scripts/mage/update.go
+++ b/x-pack/functionbeat/scripts/mage/update.go
@@ -74,6 +74,9 @@ func (Update) VendorBeats() error {
 				Exclude: []string{
 					".*_test.go$",
 					".*.yml",
+					// XXX GCP function metadata lib must be removed to avoid build failures
+					// GH issue: https://github.com/googleapis/google-cloud-go/issues/1947
+					".*cloud.google.com/go.*/functions/metadata.*",
 				},
 			}
 			err = cp.Execute()