diff --git a/ape_vyper/compiler.py b/ape_vyper/compiler.py
index c8e4443f..6618d03d 100644
--- a/ape_vyper/compiler.py
+++ b/ape_vyper/compiler.py
@@ -67,6 +67,7 @@
     "0.3.8": "shanghai",
     "0.3.9": "shanghai",
     "0.3.10": "shanghai",
+    "0.4.0rc3": "shanghai",
 }
 
 
@@ -544,7 +545,9 @@ def compile(
                 for source_id, output_items in result["contracts"].items():
                     content = {
                         i + 1: ln
-                        for i, ln in enumerate((contracts_path / source_id).read_text().splitlines())
+                        for i, ln in enumerate(
+                            (contracts_path / source_id).read_text().splitlines()
+                        )
                     }
                     for name, output in output_items.items():
                         # De-compress source map to get PC POS map.
diff --git a/tests/ape-config.yaml b/tests/ape-config.yaml
index ec6f7227..384adc98 100644
--- a/tests/ape-config.yaml
+++ b/tests/ape-config.yaml
@@ -10,3 +10,8 @@ vyper:
   # Allows importing dependencies.
   import_remapping:
     - "exampledep=ExampleDependency"
+
+geth:
+  ethereum:
+    local:
+      uri: "http://127.0.0.1:5550"
diff --git a/tests/conftest.py b/tests/conftest.py
index fc0cddc0..625aa34b 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -172,9 +172,7 @@ def project(config, project_folder):
 @pytest.fixture
 def geth_provider():
     if not ape.networks.active_provider or ape.networks.provider.name != "geth":
-        with ape.networks.ethereum.local.use_provider(
-            "geth", provider_settings={"uri": "http://127.0.0.1:5550"}
-        ) as provider:
+        with ape.networks.ethereum.local.use_provider("geth") as provider:
             yield provider
     else:
         yield ape.networks.provider
diff --git a/tests/test_compiler.py b/tests/test_compiler.py
index 0d67d801..0ad3ae34 100644
--- a/tests/test_compiler.py
+++ b/tests/test_compiler.py
@@ -158,7 +158,12 @@ def test_get_version_map(project, compiler, all_versions):
 
     # Vyper 0.4.0 assertions.
     actual4 = {x.name for x in actual[VERSION_04]}
-    expected4 = {'zero_four_module.vy', 'IFaceZeroFour.vyi', 'zero_four.vy', 'sub_reverts_040rc2.vy'}
+    expected4 = {
+        "zero_four_module.vy",
+        "IFaceZeroFour.vyi",
+        "zero_four.vy",
+        "sub_reverts_040rc2.vy",
+    }
     assert actual4 == expected4