diff --git a/cmd/generate.go b/cmd/generate.go
index 0d789a07..e72d8cc5 100644
--- a/cmd/generate.go
+++ b/cmd/generate.go
@@ -16,6 +16,8 @@ import (
 	"golang.org/x/sync/semaphore"
 	"golang.org/x/sync/singleflight"
 
+	"bitbucket.org/creachadair/stringset"
+
 	"context"
 	"os"
 	"path/filepath"
@@ -830,7 +832,7 @@ func main(cmd *cobra.Command, args []string) error {
 			hasChanges = false
 			for _, project := range config.Projects {
 				executionOrderGroup := 0
-				dependsOnList := []string{}
+				dependsOnList := stringset.New()
 				// choose order group based on dependencies
 				for _, dep := range project.Autoplan.WhenModified {
 					depPath := filepath.ToSlash(filepath.Dir(filepath.Join(project.Dir, dep)))
@@ -849,14 +851,14 @@ func main(cmd *cobra.Command, args []string) error {
 							executionOrderGroup = *depProject.ExecutionOrderGroup + 1
 						}
 					}
-					dependsOnList = append(dependsOnList, depProject.Name)
+					dependsOnList.Add(depProject.Name)
 				}
 				if projectsMap[project.Dir].ExecutionOrderGroup == nil || *projectsMap[project.Dir].ExecutionOrderGroup != executionOrderGroup {
 					if executionOrderGroups {
 						projectsMap[project.Dir].ExecutionOrderGroup = &executionOrderGroup
 					}
 					if dependsOn {
-						projectsMap[project.Dir].DependsOn = dependsOnList
+						projectsMap[project.Dir].DependsOn = dependsOnList.Elements()
 					}
 					// repeat the main cycle when changed some project
 					hasChanges = true
diff --git a/cmd/generate_test.go b/cmd/generate_test.go
index fe6cf912..738fa27e 100644
--- a/cmd/generate_test.go
+++ b/cmd/generate_test.go
@@ -204,6 +204,16 @@ func TestIgnoringTerragruntDependencies(t *testing.T) {
 	})
 }
 
+func TestTerragruntDependenciesExtraArguments(t *testing.T) {
+	runTest(t, filepath.Join("golden", "terragrunt_dependency_extra_arguments.yaml"), []string{
+		"--root",
+		filepath.Join("..", "test_examples", "terragrunt_dependency_extra_arguments"),
+		"--depends-on",
+		"--create-project-name",
+	})
+}
+
+
 func TestCustomWorkflowName(t *testing.T) {
 	runTest(t, filepath.Join("golden", "different_workflow_names.yaml"), []string{
 		"--root",
diff --git a/cmd/golden/envhcl_allchilds.yaml b/cmd/golden/envhcl_allchilds.yaml
index 60d17b1b..0374ceec 100644
--- a/cmd/golden/envhcl_allchilds.yaml
+++ b/cmd/golden/envhcl_allchilds.yaml
@@ -784,6 +784,21 @@ projects:
     - '*.tf*'
     - ../dependency/terragrunt.hcl
   dir: terragrunt_dependency/depender
+- autoplan:
+    enabled: false
+    when_modified:
+    - '*.hcl'
+    - '*.tf*'
+    - extra.tfvars
+  dir: terragrunt_dependency_extra_arguments/dependency
+- autoplan:
+    enabled: false
+    when_modified:
+    - '*.hcl'
+    - '*.tf*'
+    - ../dependency/terragrunt.hcl
+    - ../dependency/extra.tfvars
+  dir: terragrunt_dependency_extra_arguments/depender
 - autoplan:
     enabled: false
     when_modified:
diff --git a/cmd/golden/envhcl_externalchilds.yaml b/cmd/golden/envhcl_externalchilds.yaml
index f84a2b68..b942816c 100644
--- a/cmd/golden/envhcl_externalchilds.yaml
+++ b/cmd/golden/envhcl_externalchilds.yaml
@@ -561,6 +561,21 @@ projects:
     - '*.tf*'
     - ../dependency/terragrunt.hcl
   dir: terragrunt_dependency/depender
+- autoplan:
+    enabled: false
+    when_modified:
+    - '*.hcl'
+    - '*.tf*'
+    - extra.tfvars
+  dir: terragrunt_dependency_extra_arguments/dependency
+- autoplan:
+    enabled: false
+    when_modified:
+    - '*.hcl'
+    - '*.tf*'
+    - ../dependency/terragrunt.hcl
+    - ../dependency/extra.tfvars
+  dir: terragrunt_dependency_extra_arguments/depender
 - autoplan:
     enabled: false
     when_modified:
diff --git a/cmd/golden/terragrunt_dependency_extra_arguments.yaml b/cmd/golden/terragrunt_dependency_extra_arguments.yaml
new file mode 100644
index 00000000..919e874e
--- /dev/null
+++ b/cmd/golden/terragrunt_dependency_extra_arguments.yaml
@@ -0,0 +1,24 @@
+automerge: false
+parallel_apply: true
+parallel_plan: true
+projects:
+- autoplan:
+    enabled: false
+    when_modified:
+    - '*.hcl'
+    - '*.tf*'
+    - extra.tfvars
+  dir: dependency
+  name: dependency
+- autoplan:
+    enabled: false
+    when_modified:
+    - '*.hcl'
+    - '*.tf*'
+    - ../dependency/terragrunt.hcl
+    - ../dependency/extra.tfvars
+  depends_on:
+  - dependency
+  dir: depender
+  name: depender
+version: 3
diff --git a/cmd/golden/withDependsOn.yaml b/cmd/golden/withDependsOn.yaml
index 329a9fcd..f108bd9b 100644
--- a/cmd/golden/withDependsOn.yaml
+++ b/cmd/golden/withDependsOn.yaml
@@ -27,8 +27,8 @@ projects:
     - ../dependency/terragrunt.hcl
     - nested/terragrunt.hcl
   depends_on:
-  - depender
   - dependency
+  - depender
   - depender_on_depender_nested
   dir: depender_on_depender
   name: depender_on_depender
diff --git a/cmd/golden/withExecutionOrderGroupsAndDependsOn.yaml b/cmd/golden/withExecutionOrderGroupsAndDependsOn.yaml
index d61520ae..fd8e44ca 100644
--- a/cmd/golden/withExecutionOrderGroupsAndDependsOn.yaml
+++ b/cmd/golden/withExecutionOrderGroupsAndDependsOn.yaml
@@ -40,8 +40,8 @@ projects:
     - ../dependency/terragrunt.hcl
     - nested/terragrunt.hcl
   depends_on:
-  - depender
   - dependency
+  - depender
   - depender_on_depender_nested
   dir: depender_on_depender
   execution_order_group: 2
diff --git a/go.mod b/go.mod
index 2ba3d6bf..21aa01ff 100644
--- a/go.mod
+++ b/go.mod
@@ -19,6 +19,7 @@ require (
 )
 
 require (
+	bitbucket.org/creachadair/stringset v0.0.14 // indirect
 	cloud.google.com/go v0.110.10 // indirect
 	cloud.google.com/go/compute v1.23.1 // indirect
 	cloud.google.com/go/compute/metadata v0.2.3 // indirect
@@ -123,7 +124,7 @@ require (
 	go.uber.org/atomic v1.9.0 // indirect
 	golang.org/x/crypto v0.14.0 // indirect
 	golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect
-	golang.org/x/mod v0.12.0 // indirect
+	golang.org/x/mod v0.15.0 // indirect
 	golang.org/x/net v0.17.0 // indirect
 	golang.org/x/oauth2 v0.13.0 // indirect
 	golang.org/x/sys v0.20.0 // indirect
diff --git a/go.sum b/go.sum
index bf6fe933..2c773664 100644
--- a/go.sum
+++ b/go.sum
@@ -1,3 +1,5 @@
+bitbucket.org/creachadair/stringset v0.0.14 h1:t1ejQyf8utS4GZV/4fM+1gvYucggZkfhb+tMobDxYOE=
+bitbucket.org/creachadair/stringset v0.0.14/go.mod h1:Ej8fsr6rQvmeMDf6CCWMWGb14H9mz8kmDgPPTdiVT0w=
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
@@ -1050,6 +1052,8 @@ golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
 golang.org/x/mod v0.12.0 h1:rmsUpXtvNzj340zd98LZ4KntptpfRHwpFOHG188oHXc=
 golang.org/x/mod v0.12.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
+golang.org/x/mod v0.15.0 h1:SernR4v+D55NyBH2QiEQrlBAnj1ECL6AGrA5+dPaMY8=
+golang.org/x/mod v0.15.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
 golang.org/x/net v0.0.0-20170114055629-f2499483f923/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180530234432-1e491301e022/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
diff --git a/test_examples/terragrunt_dependency_extra_arguments/dependency/terragrunt.hcl b/test_examples/terragrunt_dependency_extra_arguments/dependency/terragrunt.hcl
new file mode 100644
index 00000000..43ac6dcb
--- /dev/null
+++ b/test_examples/terragrunt_dependency_extra_arguments/dependency/terragrunt.hcl
@@ -0,0 +1,13 @@
+terraform {
+  source = "git::git@github.com:transcend-io/terraform-aws-fargate-container?ref=v0.0.4"
+  extra_arguments "extra" {
+    commands = get_terraform_commands_that_need_vars()
+    optional_var_files = [
+      "${get_terragrunt_dir()}/extra.tfvars",
+    ]
+  }
+}
+
+inputs = {
+  foo = "bar"
+}
\ No newline at end of file
diff --git a/test_examples/terragrunt_dependency_extra_arguments/depender/terragrunt.hcl b/test_examples/terragrunt_dependency_extra_arguments/depender/terragrunt.hcl
new file mode 100644
index 00000000..12e06ee2
--- /dev/null
+++ b/test_examples/terragrunt_dependency_extra_arguments/depender/terragrunt.hcl
@@ -0,0 +1,11 @@
+terraform {
+  source = "git::git@github.com:transcend-io/terraform-aws-fargate-container?ref=v0.0.4"
+}
+
+dependency "some_dep" {
+  config_path = "../dependency"
+}
+
+inputs = {
+  foo = dependency.some_dep.outputs.some_output
+}
\ No newline at end of file