diff --git a/tfexec/apply.go b/tfexec/apply.go
index 40d9e69b..2c0d08a5 100644
--- a/tfexec/apply.go
+++ b/tfexec/apply.go
@@ -12,6 +12,7 @@ type applyConfig struct {
 	dirOrPlan string
 	lock      bool
 
+	json bool
 	// LockTimeout must be a string with time unit, e.g. '10s'
 	lockTimeout  string
 	parallelism  int
@@ -66,6 +67,10 @@ func (opt *VarFileOption) configureApply(conf *applyConfig) {
 	conf.varFiles = append(conf.varFiles, opt.path)
 }
 
+func (opt *JSONOption) configureApply(conf *applyConfig) {
+	conf.json = opt.json
+}
+
 func (opt *LockOption) configureApply(conf *applyConfig) {
 	conf.lock = opt.lock
 }
@@ -121,6 +126,9 @@ func (tf *Terraform) applyCmd(ctx context.Context, opts ...ApplyOption) (*exec.C
 	if c.stateOut != "" {
 		args = append(args, "-state-out="+c.stateOut)
 	}
+	if c.json {
+		args = append(args, "-json")
+	}
 	for _, vf := range c.varFiles {
 		args = append(args, "-var-file="+vf)
 	}
diff --git a/tfexec/apply_test.go b/tfexec/apply_test.go
index 1cf2f562..4b0f0bf9 100644
--- a/tfexec/apply_test.go
+++ b/tfexec/apply_test.go
@@ -26,6 +26,7 @@ func TestApplyCmd(t *testing.T) {
 			StateOut("teststateout"),
 			VarFile("foo.tfvars"),
 			VarFile("bar.tfvars"),
+			JSON(true),
 			Lock(false),
 			Parallelism(99),
 			Refresh(false),
@@ -50,6 +51,7 @@ func TestApplyCmd(t *testing.T) {
 			"-lock-timeout=200s",
 			"-state=teststate",
 			"-state-out=teststateout",
+			"-json",
 			"-var-file=foo.tfvars",
 			"-var-file=bar.tfvars",
 			"-lock=false",
diff --git a/tfexec/options.go b/tfexec/options.go
index ad3cc65c..7b52ca4d 100644
--- a/tfexec/options.go
+++ b/tfexec/options.go
@@ -185,6 +185,16 @@ func GetPlugins(getPlugins bool) *GetPluginsOption {
 	return &GetPluginsOption{getPlugins}
 }
 
+// JSONOption represents the -json flag.
+type JSONOption struct {
+	json bool
+}
+
+// JSON represents the -json flag.
+func JSON(json bool) *JSONOption {
+	return &JSONOption{json}
+}
+
 // LockOption represents the -lock flag.
 type LockOption struct {
 	lock bool
diff --git a/tfexec/plan.go b/tfexec/plan.go
index bf41094b..6d6c097a 100644
--- a/tfexec/plan.go
+++ b/tfexec/plan.go
@@ -11,6 +11,7 @@ type planConfig struct {
 	destroy      bool
 	dir          string
 	lock         bool
+	json         bool
 	lockTimeout  string
 	out          string
 	parallelism  int
@@ -76,6 +77,10 @@ func (opt *OutOption) configurePlan(conf *planConfig) {
 	conf.out = opt.path
 }
 
+func (opt *JSONOption) configurePlan(conf *planConfig) {
+	conf.json = opt.json
+}
+
 func (opt *LockTimeoutOption) configurePlan(conf *planConfig) {
 	conf.lockTimeout = opt.timeout
 }
@@ -127,6 +132,9 @@ func (tf *Terraform) planCmd(ctx context.Context, opts ...PlanOption) (*exec.Cmd
 	if c.state != "" {
 		args = append(args, "-state="+c.state)
 	}
+	if c.json {
+		args = append(args, "-json")
+	}
 	for _, vf := range c.varFiles {
 		args = append(args, "-var-file="+vf)
 	}
diff --git a/tfexec/plan_test.go b/tfexec/plan_test.go
index 7a467ac3..7a659390 100644
--- a/tfexec/plan_test.go
+++ b/tfexec/plan_test.go
@@ -39,6 +39,7 @@ func TestPlanCmd(t *testing.T) {
 	t.Run("override all defaults", func(t *testing.T) {
 		planCmd, err := tf.planCmd(context.Background(),
 			Destroy(true),
+			JSON(true),
 			Lock(false),
 			LockTimeout("22s"),
 			Out("whale"),
@@ -65,6 +66,7 @@ func TestPlanCmd(t *testing.T) {
 			"-lock-timeout=22s",
 			"-out=whale",
 			"-state=marvin",
+			"-json",
 			"-var-file=trillian",
 			"-lock=false",
 			"-parallelism=42",