diff --git a/conda_vendor/conda_vendor.py b/conda_vendor/conda_vendor.py
index c3996b8..10cbee7 100644
--- a/conda_vendor/conda_vendor.py
+++ b/conda_vendor/conda_vendor.py
@@ -16,8 +16,12 @@
 from conda_build import api
 from conda_vendor.iron_bank_generator import yaml_dump_ironbank_manifest
 
-def get_lock_spec_for_environment_file(environment_file) -> LockSpecification:
-    lock_spec = CondaLockWrapper.parse_environment_file(environment_file)
+def get_lock_spec_for_environment_file(environment_file, platform) -> LockSpecification:
+    # conda lock expects a list
+    if isinstance(platform, str):
+        platform = [platform]
+
+    lock_spec = CondaLockWrapper.parse_environment_file(environment_file, platform)
     return lock_spec
 
 
@@ -92,7 +96,7 @@ def _scrub_virtual_pkgs(dry_run_install, chan):
     return dry_run_install
 
 def solve_environment(lock_spec, solver, platform) -> DryRunInstall:
-    specs = get_specs(lock_spec)
+    specs = get_specs(lock_spec, platform)
 
     click.echo(click.style(f"Using Solver: {solver}", bold=True, bg='black', fg='cyan'))
     click.echo(click.style(f"Solving for Platform: {platform}", bold=True, bg='black', fg='cyan'))
@@ -118,8 +122,8 @@ def solve_environment(lock_spec, solver, platform) -> DryRunInstall:
 
 
 # get formatted List(str) to pass to CondaLockWrapper.solve_specs_for_arch()
-def get_specs(lock_spec) -> List[str]:
-    versioned_deps = lock_spec.dependencies
+def get_specs(lock_spec, platform) -> List[str]:
+    versioned_deps = lock_spec.dependencies[platform]
     specs = []
     for dep in versioned_deps:
         if dep.version == '':
@@ -288,7 +292,7 @@ def vendor(file,solver, platform, dry_run, ironbank_gen):
         click.echo(click.style("Dry Run - Will Not Download Files", bold=True, fg='red'))
 
     # generate conda-locks LockSpecification
-    lock_spec = get_lock_spec_for_environment_file(environment_yaml)
+    lock_spec = get_lock_spec_for_environment_file(environment_yaml, platform)
 
     # generate DryRunInstall
     dry_run_install = solve_environment(lock_spec, solver, platform)
diff --git a/environment.yaml b/environment.yaml
index b2888b8..b0252bb 100644
--- a/environment.yaml
+++ b/environment.yaml
@@ -2,17 +2,15 @@ name: conda-vendor-dependencies
 channels:
   - conda-forge
 dependencies:
-  - python
+  - python>=3.8
   - click
-  - conda-lock=1.1.2
+  - conda-lock=2.1.1
   - conda-build
   - pip
-  - pydantic=1.8.1
-  # solvers
-  - conda=4.12.0
+  - pydantic=1.10.17
+  - conda
   - mamba
   - micromamba
-  # teset dependencies
   - pytest
   - pytest-mock
   - setuptools
diff --git a/setup.py b/setup.py
index 462d6ac..e683b10 100644
--- a/setup.py
+++ b/setup.py
@@ -24,7 +24,7 @@
     entry_points={"console_scripts": ["conda-vendor = conda_vendor.__main__:cli"]},
     install_requires=["ruamel.yaml", "conda-lock", "click"],
     setup_requires=["wheel"],
-    python_requires=">=3.6",
+    python_requires=">=3.8",
     long_description=long_description,
     long_description_content_type="text/markdown",
 )
diff --git a/tests/conftest.py b/tests/conftest.py
index 6f38505..5908939 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -63,7 +63,7 @@ def python_conda_mirror_main_conda_forge_environment(tmpdir_factory):
 # conda-locks LockSpecification object
 @pytest.fixture(scope="function")
 def lock_spec_fixture(python_conda_mirror_main_conda_forge_environment) -> LockSpecification:
-    lock_spec = get_lock_spec_for_environment_file(python_conda_mirror_main_conda_forge_environment)
+    lock_spec = get_lock_spec_for_environment_file(python_conda_mirror_main_conda_forge_environment, "linux-64")
     return lock_spec
 
 # conda-lock's DryRunInstall object
diff --git a/tests/test_integration.py b/tests/test_integration.py
index dd37370..b5e1752 100644
--- a/tests/test_integration.py
+++ b/tests/test_integration.py
@@ -49,9 +49,10 @@ def test_vendor_full_runthrough(python_main_defaults_environment, tmp_path_facto
 # get _lock_spec_for_environment_file contains the packages defined in
 # the python_conda_mirror_main_conda_forge_environment test fixture
 def test_get_lock_spec_for_environmen_file(python_conda_mirror_main_conda_forge_environment):
-    lock_spec = get_lock_spec_for_environment_file(python_conda_mirror_main_conda_forge_environment)
-    assert any(versioned_dep.name == 'python' for versioned_dep in lock_spec.dependencies)
-    assert any(versioned_dep.version == '3.9.5.*' for versioned_dep in lock_spec.dependencies)
+    platform = 'linux-64'
+    lock_spec = get_lock_spec_for_environment_file(python_conda_mirror_main_conda_forge_environment, platform)
+    assert any(versioned_dep.name == 'python' for versioned_dep in lock_spec.dependencies[platform])
+    assert any(versioned_dep.version == '3.9.5.*' for versioned_dep in lock_spec.dependencies[platform])
 
 # test that solve_environment's DryRunInstall object's 
 # 'success' field is True