diff --git a/helm/blueapi/config_schema.json b/helm/blueapi/config_schema.json
index 0755a2c6e..8f7861c38 100644
--- a/helm/blueapi/config_schema.json
+++ b/helm/blueapi/config_schema.json
@@ -424,6 +424,12 @@
                     "description": "Revision (branch or tag) to check out when cloning - defaults to remote's HEAD. If a tag is used, the repo will be left in a 'detached head' state.",
                     "title": "Target Revision",
                     "type": "string"
+                },
+                "use_uv_lock": {
+                    "default": false,
+                    "description": "Whether to install the repository using uv.lock",
+                    "title": "Use Uv Lock",
+                    "type": "boolean"
                 }
             },
             "title": "ScratchRepository",
diff --git a/helm/blueapi/values.schema.json b/helm/blueapi/values.schema.json
index 3020e5502..7db42697e 100644
--- a/helm/blueapi/values.schema.json
+++ b/helm/blueapi/values.schema.json
@@ -849,6 +849,12 @@
                     "title": "Target Revision",
                     "description": "Revision (branch or tag) to check out when cloning - defaults to remote's HEAD. If a tag is used, the repo will be left in a 'detached head' state.",
                     "type": "string"
+                },
+                "use_uv_lock": {
+                    "title": "Use Uv Lock",
+                    "description": "Whether to install the repository using uv.lock",
+                    "default": false,
+                    "type": "boolean"
                 }
             },
             "additionalProperties": false
diff --git a/src/blueapi/cli/scratch.py b/src/blueapi/cli/scratch.py
index 6fa01d83e..d06d6325e 100644
--- a/src/blueapi/cli/scratch.py
+++ b/src/blueapi/cli/scratch.py
@@ -66,6 +66,7 @@ def setup_scratch(
 
     scratch_install(
         *(config.root / repo.name for repo in config.repositories),
+        use_uv_lock=[repo.use_uv_lock for repo in config.repositories],
         timeout=install_timeout,
     )
 
@@ -116,7 +117,11 @@ def ensure_repo(
         )
 
 
-def scratch_install(*paths: Path, timeout: float = _DEFAULT_INSTALL_TIMEOUT) -> None:
+def scratch_install(
+    *paths: Path,
+    use_uv_lock: list[bool] | None = None,
+    timeout: float = _DEFAULT_INSTALL_TIMEOUT,
+) -> None:
     """
     Install scratch packages. Make blueapi aware of repositories checked out in
     the scratch area. Make it automatically follow code changes to those repositories
@@ -125,15 +130,25 @@ def scratch_install(*paths: Path, timeout: float = _DEFAULT_INSTALL_TIMEOUT) ->
 
     Args:
         paths: List of Paths to the checked out repositories
+        use_uv_lock: Optional list of booleans indicating whether to install
+            using uv.lock
         timeout: Time to wait for installation subprocess
     """
     if not paths:
         return
+
+    use_uv_lock_list = use_uv_lock or [False] * len(paths)
+
     LOGGER.info("Installing packages")
-    for path in paths:
+    for path, uv_lock in zip(paths, use_uv_lock_list, strict=True):
         _validate_directory(path)
-        args = ["uv", "pip", "install", "-e", str(path)]
-        process = Popen(args)
+        if uv_lock:
+            args = ["uv", "sync", "--inexact"]
+            process = Popen(args, cwd=path)
+        else:
+            args = ["uv", "pip", "install", "-e", str(path)]
+            process = Popen(args)
+
         process.wait(timeout=timeout)
         if process.returncode != 0:
             raise RuntimeError(
diff --git a/src/blueapi/config.py b/src/blueapi/config.py
index 9c339c71f..6e25667b8 100644
--- a/src/blueapi/config.py
+++ b/src/blueapi/config.py
@@ -209,6 +209,10 @@ class ScratchRepository(BlueapiBaseModel):
         # include an invalid value
         default_factory=lambda: None,
     )
+    use_uv_lock: bool = Field(
+        description="Whether to install the repository using uv.lock",
+        default=False,
+    )
 
     @field_validator("remote_url")
     @classmethod
diff --git a/tests/unit_tests/cli/test_scratch.py b/tests/unit_tests/cli/test_scratch.py
index 22f3ad3d8..60fc5dff0 100644
--- a/tests/unit_tests/cli/test_scratch.py
+++ b/tests/unit_tests/cli/test_scratch.py
@@ -62,6 +62,22 @@ def test_scratch_install_installs_path(
     )
 
 
+@patch("blueapi.cli.scratch.Popen")
+def test_scratch_install_with_uv_lock(
+    mock_popen: Mock,
+    directory_path_with_sgid: Path,
+):
+    mock_process = Mock()
+    mock_process.returncode = 0
+    mock_popen.return_value = mock_process
+
+    scratch_install(directory_path_with_sgid, use_uv_lock=[True], timeout=1.0)
+
+    mock_popen.assert_called_once_with(
+        ["uv", "sync", "--inexact"], cwd=directory_path_with_sgid
+    )
+
+
 def test_scratch_install_fails_on_file(file_path: Path):
     with pytest.raises(KeyError):
         scratch_install(file_path, timeout=1.0)
@@ -348,6 +364,7 @@ def test_setup_scratch_iterates_repos(
             call(
                 directory_path_with_sgid / "foo",
                 directory_path_with_sgid / "bar",
+                use_uv_lock=[False, False],
                 timeout=120.0,
             ),
         ]
diff --git a/tests/unit_tests/test_config.py b/tests/unit_tests/test_config.py
index a335434df..6a05c9a3b 100644
--- a/tests/unit_tests/test_config.py
+++ b/tests/unit_tests/test_config.py
@@ -333,6 +333,7 @@ def test_config_yaml_parsed(temp_yaml_config_file):
                     {
                         "name": "dodal",
                         "remote_url": "https://github.com/DiamondLightSource/dodal.git",
+                        "use_uv_lock": False,
                     }
                 ],
             },
@@ -396,6 +397,7 @@ def test_config_yaml_parsed(temp_yaml_config_file):
                     {
                         "name": "dodal",
                         "remote_url": "https://github.com/DiamondLightSource/dodal.git",
+                        "use_uv_lock": False,
                     }
                 ],
             },