diff --git a/params/params.go b/params/params.go
index 0e07f3a1..b93952fb 100644
--- a/params/params.go
+++ b/params/params.go
@@ -222,7 +222,8 @@ type BootstrapInstance struct {
 }
 
 type UserDataOptions struct {
-	DisableUpdatesOnBoot bool `json:"disable_updates_on_boot"`
+	DisableUpdatesOnBoot bool     `json:"disable_updates_on_boot"`
+	ExtraPackages        []string `json:"extra_packages"`
 }
 
 type Tag struct {
diff --git a/runner/providers/lxd/lxd.go b/runner/providers/lxd/lxd.go
index dec6361f..270073a2 100644
--- a/runner/providers/lxd/lxd.go
+++ b/runner/providers/lxd/lxd.go
@@ -236,6 +236,7 @@ func (l *LXD) getCreateInstanceArgs(bootstrapParams params.BootstrapInstance, sp
 	}
 
 	bootstrapParams.UserDataOptions.DisableUpdatesOnBoot = specs.DisableUpdates
+	bootstrapParams.UserDataOptions.ExtraPackages = specs.ExtraPackages
 	cloudCfg, err := util.GetCloudConfig(bootstrapParams, tools, bootstrapParams.Name)
 	if err != nil {
 		return api.InstancesPost{}, errors.Wrap(err, "generating cloud-config")
diff --git a/runner/providers/lxd/specs.go b/runner/providers/lxd/specs.go
index 21470c11..202473b7 100644
--- a/runner/providers/lxd/specs.go
+++ b/runner/providers/lxd/specs.go
@@ -22,7 +22,8 @@ import (
 )
 
 type extraSpecs struct {
-	DisableUpdates bool `json:"disable_updates"`
+	DisableUpdates bool     `json:"disable_updates"`
+	ExtraPackages  []string `json:"extra_packages"`
 }
 
 func parseExtraSpecsFromBootstrapParams(bootstrapParams params.BootstrapInstance) (extraSpecs, error) {
diff --git a/util/util.go b/util/util.go
index 35b50ee2..eddbb1a1 100644
--- a/util/util.go
+++ b/util/util.go
@@ -271,6 +271,9 @@ func GetCloudConfig(bootstrapParams params.BootstrapInstance, tools github.Runne
 			cloudCfg.PackageUpgrade = false
 			cloudCfg.Packages = []string{}
 		}
+		for _, pkg := range bootstrapParams.UserDataOptions.ExtraPackages {
+			cloudCfg.AddPackage(pkg)
+		}
 
 		cloudCfg.AddSSHKey(bootstrapParams.SSHKeys...)
 		cloudCfg.AddFile(installScript, "/install_runner.sh", "root:root", "755")