diff --git a/cmd/flux/bootstrap_bitbucket_server.go b/cmd/flux/bootstrap_bitbucket_server.go
index 56e1a906..d71754e4 100644
--- a/cmd/flux/bootstrap_bitbucket_server.go
+++ b/cmd/flux/bootstrap_bitbucket_server.go
@@ -254,6 +254,7 @@ func bootstrapBServerCmdRun(cmd *cobra.Command, args []string) error {
 		bootstrap.WithKubeconfig(kubeconfigArgs),
 		bootstrap.WithLogger(logger),
 		bootstrap.WithCABundle(caBundle),
+		bootstrap.WithGitCommitSigning(bootstrapArgs.gpgKeyRingPath, bootstrapArgs.gpgPassphrase, bootstrapArgs.gpgKeyID),
 	}
 	if bootstrapArgs.sshHostname != "" {
 		bootstrapOpts = append(bootstrapOpts, bootstrap.WithSSHHostname(bootstrapArgs.sshHostname))
diff --git a/cmd/flux/bootstrap_github.go b/cmd/flux/bootstrap_github.go
index fd04ac6f..904f6890 100644
--- a/cmd/flux/bootstrap_github.go
+++ b/cmd/flux/bootstrap_github.go
@@ -243,6 +243,7 @@ func bootstrapGitHubCmdRun(cmd *cobra.Command, args []string) error {
 		bootstrap.WithKubeconfig(kubeconfigArgs),
 		bootstrap.WithLogger(logger),
 		bootstrap.WithCABundle(caBundle),
+		bootstrap.WithGitCommitSigning(bootstrapArgs.gpgKeyRingPath, bootstrapArgs.gpgPassphrase, bootstrapArgs.gpgKeyID),
 	}
 	if bootstrapArgs.sshHostname != "" {
 		bootstrapOpts = append(bootstrapOpts, bootstrap.WithSSHHostname(bootstrapArgs.sshHostname))
diff --git a/cmd/flux/bootstrap_gitlab.go b/cmd/flux/bootstrap_gitlab.go
index 6906a2a7..1e58834d 100644
--- a/cmd/flux/bootstrap_gitlab.go
+++ b/cmd/flux/bootstrap_gitlab.go
@@ -257,6 +257,7 @@ func bootstrapGitLabCmdRun(cmd *cobra.Command, args []string) error {
 		bootstrap.WithKubeconfig(kubeconfigArgs),
 		bootstrap.WithLogger(logger),
 		bootstrap.WithCABundle(caBundle),
+		bootstrap.WithGitCommitSigning(bootstrapArgs.gpgKeyRingPath, bootstrapArgs.gpgPassphrase, bootstrapArgs.gpgKeyID),
 	}
 	if bootstrapArgs.sshHostname != "" {
 		bootstrapOpts = append(bootstrapOpts, bootstrap.WithSSHHostname(bootstrapArgs.sshHostname))