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..11e5f01e5 100644
--- a/scarb/src/core/manifest/toml_manifest.rs
+++ b/scarb/src/core/manifest/toml_manifest.rs
@@ -592,6 +592,7 @@ impl TomlManifest {
             self.lib.as_ref(),
             &package_name,
             root,
+            None,
         )?);
 
         targets.extend(Self::collect_target(
@@ -599,6 +600,7 @@ impl TomlManifest {
             self.cairo_plugin.as_ref(),
             &package_name,
             root,
+            None,
         )?);
 
         for (kind, ext_toml) in self
@@ -612,6 +614,7 @@ impl TomlManifest {
                 Some(ext_toml),
                 &package_name,
                 root,
+                None,
             )?);
         }
 
@@ -645,6 +648,7 @@ impl TomlManifest {
                     Some(test_toml),
                     &package_name,
                     root,
+                    None,
                 )?);
             }
         } else if auto_detect {
@@ -661,6 +665,7 @@ impl TomlManifest {
                 Some(&target_config),
                 &package_name,
                 root,
+                None,
             )?);
             // Auto-detect test targets from `tests` directory.
             let tests_path = root.join(DEFAULT_TESTS_PATH);
@@ -679,6 +684,7 @@ impl TomlManifest {
                     Some(&target_config),
                     &package_name,
                     root,
+                    None,
                 )?);
             } else {
                 // Tests directory does not contain `lib.cairo` file.
@@ -712,6 +718,7 @@ impl TomlManifest {
                             Some(&target_config),
                             &package_name,
                             root,
+                            Some("integration_tests".into()),
                         )?);
                     }
                 }
@@ -725,6 +732,7 @@ impl TomlManifest {
         target: Option<&TomlTarget<T>>,
         default_name: &SmolStr,
         root: &Utf8Path,
+        group_id: Option<SmolStr>,
     ) -> Result<Option<Target>> {
         let default_source_path = root.join(DEFAULT_SOURCE_PATH.as_path());
         let Some(target) = target else {
@@ -747,7 +755,8 @@ 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, group_id, &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()
 }