diff --git a/cmd/flux/bootstrap_bitbucket_server.go b/cmd/flux/bootstrap_bitbucket_server.go
index 56e1a9068d2845cc991803e2bc0a8da6dd3a6213..d71754e4964a03fd22c5439c9b97bd25df994a3a 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 fd04ac6f6d39f23467c7592633cea8e7875e214b..904f68909f728efa268c57ea057fa8c1b29b1f18 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 6906a2a72bfddeb01f7ec4b60fcf2940fab61fae..1e58834d0cd7c66ee065639ce669ff2b6589647c 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))