diff --git a/shared/subprocess/manager.go b/shared/subprocess/manager.go
index 7a356d0d44..9d4120ec98 100644
--- a/shared/subprocess/manager.go
+++ b/shared/subprocess/manager.go
@@ -7,7 +7,7 @@ import (
 	"io"
 	"os"
 
-	"gopkg.in/yaml.v2"
+	"go.yaml.in/yaml/v4"
 )
 
 // NewProcess is a constructor for a process object. Represents a process with argument config.
@@ -58,7 +58,7 @@ func ImportProcess(path string) (*Process, error) {
 	}
 
 	proc := Process{}
-	err = yaml.Unmarshal(dat, &proc)
+	err = yaml.Load(dat, &proc)
 	if err != nil {
 		return nil, fmt.Errorf("Unable to parse YAML in PID file %q: %w", path, err)
 	}
diff --git a/shared/subprocess/proc.go b/shared/subprocess/proc.go
index 947eef1662..e4ffb2176d 100644
--- a/shared/subprocess/proc.go
+++ b/shared/subprocess/proc.go
@@ -11,7 +11,7 @@ import (
 	"os/exec"
 	"syscall"
 
-	"gopkg.in/yaml.v2"
+	"go.yaml.in/yaml/v4"
 
 	"github.com/lxc/incus/v6/shared/util"
 )
@@ -269,7 +269,7 @@ func (p *Process) Reload() error {
 
 // Save will save the given process object to a YAML file. Can be imported at a later point.
 func (p *Process) Save(path string) error {
-	dat, err := yaml.Marshal(p)
+	dat, err := yaml.Dump(p, yaml.V2)
 	if err != nil {
 		return fmt.Errorf("Unable to serialize process struct to YAML: %w", err)
 	}