diff --git a/scarb/src/core/manifest/target.rs b/scarb/src/core/manifest/target.rs
index 84689b275..d09f3a18c 100644
--- a/scarb/src/core/manifest/target.rs
+++ b/scarb/src/core/manifest/target.rs
@@ -20,6 +20,7 @@ pub struct TargetInner {
     pub kind: TargetKind,
     pub name: SmolStr,
     pub source_path: Utf8PathBuf,
+    pub group_id: Option<SmolStr>,
     pub params: toml::Value,
 }
 
@@ -36,6 +37,7 @@ impl Target {
         kind: TargetKind,
         name: impl Into<SmolStr>,
         source_path: impl Into<Utf8PathBuf>,
+        group_id: Option<SmolStr>,
         params: toml::Value,
     ) -> Self {
         assert!(params.is_table(), "params must be a TOML table");
@@ -43,6 +45,7 @@ impl Target {
             kind,
             name: name.into(),
             source_path: source_path.into(),
+            group_id,
             params,
         }))
     }
@@ -56,6 +59,7 @@ impl Target {
             kind,
             name,
             source_path,
+            None,
             toml::Value::Table(toml::Table::new()),
         )
     }
@@ -64,10 +68,11 @@ impl Target {
         kind: TargetKind,
         name: impl Into<SmolStr>,
         source_path: impl Into<Utf8PathBuf>,
+        group_id: Option<SmolStr>,
         params: impl Serialize,
     ) -> Result<Self> {
         let params = toml::Value::try_from(params)?;
-        Ok(Self::new(kind, name, source_path, params))
+        Ok(Self::new(kind, name, source_path, group_id, params))
     }
 
     pub fn is_lib(&self) -> bool {
diff --git a/scarb/src/core/manifest/toml_manifest.rs b/scarb/src/core/manifest/toml_manifest.rs
index 3aebea344..79bc44420 100644
--- a/scarb/src/core/manifest/toml_manifest.rs
+++ b/scarb/src/core/manifest/toml_manifest.rs
@@ -280,6 +280,7 @@ pub struct DetailedTomlDependency {
 pub struct TomlTarget<P> {
     pub name: Option<SmolStr>,
     pub source_path: Option<Utf8PathBuf>,
+    pub group_id: Option<SmolStr>,
 
     #[serde(flatten)]
     pub params: P,
@@ -654,6 +655,7 @@ impl TomlManifest {
             let target_config = TomlTarget::<TomlExternalTargetParams> {
                 name: Some(target_name),
                 source_path,
+                group_id: None,
                 params: TestTargetProps::default().try_into()?,
             };
             targets.extend(Self::collect_target::<TomlExternalTargetParams>(
@@ -672,6 +674,7 @@ impl TomlManifest {
                 let target_config = TomlTarget::<TomlExternalTargetParams> {
                     name: Some(target_name),
                     source_path: Some(source_path),
+                    group_id: None,
                     params: TestTargetProps::new(TestTargetType::Integration).try_into()?,
                 };
                 targets.extend(Self::collect_target::<TomlExternalTargetParams>(
@@ -705,6 +708,7 @@ impl TomlManifest {
                         let target_config = TomlTarget::<TomlExternalTargetParams> {
                             name: Some(target_name),
                             source_path: Some(source_path),
+                            group_id: Some("integration_tests".into()),
                             params: TestTargetProps::new(TestTargetType::Integration).try_into()?,
                         };
                         targets.extend(Self::collect_target(
@@ -747,7 +751,13 @@ impl TomlManifest {
             .transpose()?
             .unwrap_or(default_source_path.to_path_buf());
 
-        let target = Target::try_from_structured_params(kind, name, source_path, &target.params)?;
+        let target = Target::try_from_structured_params(
+            kind,
+            name,
+            source_path,
+            target.group_id.clone(),
+            &target.params,
+        )?;
 
         Ok(Some(target))
     }
diff --git a/scarb/src/core/workspace.rs b/scarb/src/core/workspace.rs
index ba84eb768..9a0789da6 100644
--- a/scarb/src/core/workspace.rs
+++ b/scarb/src/core/workspace.rs
@@ -187,6 +187,23 @@ fn check_unique_targets(targets: &Vec<&Target>) -> Result<()> {
             )
         }
     }
+    for (kind, group_id) in targets
+        .iter()
+        .filter_map(|target| {
+            target
+                .group_id
+                .clone()
+                .map(|group_id| (target.kind.clone(), group_id))
+        })
+        .unique()
+    {
+        if used.contains(&(kind.as_str(), group_id.as_str())) {
+            bail!(
+                "the group id `{group_id}` of target `{kind}` duplicates target name\n\
+                 help: use different group name to resolve the conflict",
+            )
+        }
+    }
     Ok(())
 }
 
diff --git a/scarb/src/ops/metadata.rs b/scarb/src/ops/metadata.rs
index d9294f29d..69089f4fe 100644
--- a/scarb/src/ops/metadata.rs
+++ b/scarb/src/ops/metadata.rs
@@ -194,11 +194,18 @@ fn collect_dependency_kind(kind: &DepKind) -> Option<m::DepKind> {
 }
 
 fn collect_target_metadata(target: &Target) -> m::TargetMetadata {
+    let mut params = toml_to_json(&target.params);
+    if let Some(group) = target.group_id.as_ref() {
+        params.as_object_mut().unwrap().insert(
+            "group-id".to_string(),
+            serde_json::Value::String(group.to_string()),
+        );
+    }
     m::TargetMetadataBuilder::default()
         .kind(target.kind.to_string())
         .name(target.name.to_string())
         .source_path(target.source_path.clone())
-        .params(toml_to_json(&target.params))
+        .params(params)
         .build()
         .unwrap()
 }
diff --git a/scarb/tests/workspace.rs b/scarb/tests/workspace.rs
index 8c365ea4d..e007fa30c 100644
--- a/scarb/tests/workspace.rs
+++ b/scarb/tests/workspace.rs
@@ -126,3 +126,25 @@ fn target_name_duplicate() {
             help: use different target names to resolve the conflict
         "#});
 }
+
+#[test]
+fn target_group_id_duplicates_target_name() {
+    let t = TempDir::new().unwrap();
+    ProjectBuilder::start()
+        .name("first")
+        .manifest_extra(indoc! {r#"
+        [[target.starknet-contract]]
+        name = "hello"
+        group-id = "hello"
+        "#})
+        .build(&t);
+    Scarb::quick_snapbox()
+        .arg("fetch")
+        .current_dir(&t)
+        .assert()
+        .failure()
+        .stdout_matches(indoc! {r#"
+           error: the group id `hello` of target `starknet-contract` duplicates target name
+           help: use different group name to resolve the conflict
+        "#});
+}