diff --git a/lib/charms/traefik_route_k8s/v0/traefik_route.py b/lib/charms/traefik_k8s/v0/traefik_route.py
similarity index 96%
rename from lib/charms/traefik_route_k8s/v0/traefik_route.py
rename to lib/charms/traefik_k8s/v0/traefik_route.py
index de2da555..17708603 100644
--- a/lib/charms/traefik_route_k8s/v0/traefik_route.py
+++ b/lib/charms/traefik_k8s/v0/traefik_route.py
@@ -15,7 +15,7 @@
 
 ```shell
 cd some-charm
-charmcraft fetch-lib charms.traefik_route_k8s.v0.traefik_route
+charmcraft fetch-lib charms.traefik_k8s.v0.traefik_route
 ```
 
 To use the library from the provider side (Traefik):
@@ -28,7 +28,7 @@
 ```
 
 ```python
-from charms.traefik_route_k8s.v0.traefik_route import TraefikRouteProvider
+from charms.traefik_k8s.v0.traefik_route import TraefikRouteProvider
 
 class TraefikCharm(CharmBase):
   def __init__(self, *args):
@@ -56,7 +56,7 @@ def _handle_traefik_route_ready(self, event):
 
 ```python
 # ...
-from charms.traefik_route_k8s.v0.traefik_route import TraefikRouteRequirer
+from charms.traefik_k8s.v0.traefik_route import TraefikRouteRequirer
 
 class TraefikRouteCharm(CharmBase):
   def __init__(self, *args):
@@ -88,7 +88,7 @@ def __init__(self, *args):
 
 # Increment this PATCH version before using `charmcraft publish-lib` or reset
 # to 0 if you are raising the major API version
-LIBPATCH = 10
+LIBPATCH = 1
 
 log = logging.getLogger(__name__)
 
@@ -254,8 +254,10 @@ def is_ready(self, relation: Relation) -> bool:
 
     def get_config(self, relation: Relation) -> Optional[str]:
         """Renamed to ``get_dynamic_config``."""
-        log.warning("``TraefikRouteProvider.get_config`` is deprecated. "
-                    "Use ``TraefikRouteProvider.get_dynamic_config`` instead")
+        log.warning(
+            "``TraefikRouteProvider.get_config`` is deprecated. "
+            "Use ``TraefikRouteProvider.get_dynamic_config`` instead"
+        )
         return self.get_dynamic_config(relation)
 
     def get_dynamic_config(self, relation: Relation) -> Optional[str]:
@@ -356,7 +358,7 @@ def is_ready(self) -> bool:
         """Is the TraefikRouteRequirer ready to submit data to Traefik?"""
         return self._relation is not None
 
-    def submit_to_traefik(self, config: dict, static: dict=None):
+    def submit_to_traefik(self, config: dict, static: Optional[dict] = None):
         """Relay an ingress configuration data structure to traefik.
 
         This will publish to the traefik-route relation databag
diff --git a/src/charm.py b/src/charm.py
index 59aa5cd0..4f97276b 100755
--- a/src/charm.py
+++ b/src/charm.py
@@ -37,16 +37,16 @@
 from charms.prometheus_k8s.v0.prometheus_scrape import MetricsEndpointProvider
 from charms.tempo_k8s.v1.charm_tracing import trace_charm
 from charms.tempo_k8s.v2.tracing import TracingEndpointRequirer
+from charms.traefik_k8s.v0.traefik_route import (
+    TraefikRouteProvider,
+    TraefikRouteRequirerReadyEvent,
+)
 from charms.traefik_k8s.v1.ingress import IngressPerAppProvider as IPAv1
 from charms.traefik_k8s.v1.ingress_per_unit import (
     DataValidationError,
     IngressPerUnitProvider,
 )
 from charms.traefik_k8s.v2.ingress import IngressPerAppProvider as IPAv2
-from charms.traefik_route_k8s.v0.traefik_route import (
-    TraefikRouteProvider,
-    TraefikRouteRequirerReadyEvent,
-)
 from deepmerge import always_merger
 from lightkube.core.client import Client
 from lightkube.core.exceptions import ApiError
diff --git a/tests/integration/conftest.py b/tests/integration/conftest.py
index 6f20d3f4..6d3e6a3d 100644
--- a/tests/integration/conftest.py
+++ b/tests/integration/conftest.py
@@ -72,7 +72,7 @@ def copy_traefik_library_into_tester_charms(ops_test):
         "traefik_k8s/v2/ingress.py",
         "traefik_k8s/v1/ingress_per_unit.py",
         "observability_libs/v1/kubernetes_service_patch.py",
-        "traefik_route_k8s/v0/traefik_route.py",
+        "traefik_k8s/v0/traefik_route.py",
     ]
     for tester in ["forward-auth", "ipa", "ipu", "tcp", "route"]:
         for lib in libraries:
@@ -101,40 +101,85 @@ async def traefik_charm(ops_test):
 @timed_memoizer
 async def forward_auth_tester_charm(ops_test):
     charm_path = (Path(__file__).parent / "testers" / "forward-auth").absolute()
-    charm = await ops_test.build_charm(charm_path, verbosity="debug")
-    return charm
+    count = 0
+    while True:
+        try:
+            charm = await ops_test.build_charm(charm_path, verbosity="debug")
+            return charm
+        except RuntimeError:
+            logger.warning("Failed to build forward auth tester. Trying again!")
+            count += 1
+
+            if count == 3:
+                raise
 
 
 @pytest.fixture(scope="module")
 @timed_memoizer
 async def ipa_tester_charm(ops_test):
     charm_path = (Path(__file__).parent / "testers" / "ipa").absolute()
-    charm = await ops_test.build_charm(charm_path, verbosity="debug")
-    return charm
+    count = 0
+    while True:
+        try:
+            charm = await ops_test.build_charm(charm_path, verbosity="debug")
+            return charm
+        except RuntimeError:
+            logger.warning("Failed to build ipa tester. Trying again!")
+            count += 1
+
+            if count == 3:
+                raise
 
 
 @pytest.fixture(scope="module")
 @timed_memoizer
 async def ipu_tester_charm(ops_test):
     charm_path = (Path(__file__).parent / "testers" / "ipu").absolute()
-    charm = await ops_test.build_charm(charm_path, verbosity="debug")
-    return charm
+    count = 0
+    while True:
+        try:
+            charm = await ops_test.build_charm(charm_path, verbosity="debug")
+            return charm
+        except RuntimeError:
+            logger.warning("Failed to build ipu tester. Trying again!")
+            count += 1
+
+            if count == 3:
+                raise
 
 
 @pytest.fixture(scope="module")
 @timed_memoizer
 async def tcp_tester_charm(ops_test):
     charm_path = (Path(__file__).parent / "testers" / "tcp").absolute()
-    charm = await ops_test.build_charm(charm_path, verbosity="debug")
-    return charm
+    count = 0
+    while True:
+        try:
+            charm = await ops_test.build_charm(charm_path, verbosity="debug")
+            return charm
+        except RuntimeError:
+            logger.warning("Failed to build tcp tester. Trying again!")
+            count += 1
+
+            if count == 3:
+                raise
 
 
 @pytest.fixture(scope="module")
 @timed_memoizer
 async def route_tester_charm(ops_test):
     charm_path = (Path(__file__).parent / "testers" / "route").absolute()
-    charm = await ops_test.build_charm(charm_path, verbosity="debug")
-    return charm
+    count = 0
+    while True:
+        try:
+            charm = await ops_test.build_charm(charm_path, verbosity="debug")
+            return charm
+        except RuntimeError:
+            logger.warning("Failed to build route tester. Trying again!")
+            count += 1
+
+            if count == 3:
+                raise
 
 
 @pytest.fixture(scope="module")
diff --git a/tests/integration/spellbook/build_all_caches.py b/tests/integration/spellbook/build_all_caches.py
index ad617190..254cdb52 100644
--- a/tests/integration/spellbook/build_all_caches.py
+++ b/tests/integration/spellbook/build_all_caches.py
@@ -23,9 +23,7 @@ def main():
     spellbook_fetch(
         charm_name="route-tester",
         charm_root=testers_root / "route",
-        pull_libs=[
-            traefik_root / "lib" / "charms" / "traefik_route_k8s" / "v0" / "traefik_route.py"
-        ],
+        pull_libs=[traefik_root / "lib" / "charms" / "traefik_k8s" / "v0" / "traefik_route.py"],
     )
     spellbook_fetch(
         charm_name="ipa-tester",
diff --git a/tests/integration/testers/forward-auth/charmcraft.yaml b/tests/integration/testers/forward-auth/charmcraft.yaml
index ddf3772a..e439b3e7 100644
--- a/tests/integration/testers/forward-auth/charmcraft.yaml
+++ b/tests/integration/testers/forward-auth/charmcraft.yaml
@@ -13,5 +13,6 @@ parts:
     charm-binary-python-packages:
       - jsonschema
       - ops
+      - pydantic-core
     build-packages:
       - git
diff --git a/tests/integration/testers/ipa/charmcraft.yaml b/tests/integration/testers/ipa/charmcraft.yaml
index 7f0b9691..c864b362 100644
--- a/tests/integration/testers/ipa/charmcraft.yaml
+++ b/tests/integration/testers/ipa/charmcraft.yaml
@@ -12,5 +12,6 @@ parts:
   charm:
     charm-binary-python-packages:
       - ops
+      - pydantic-core
     build-packages:
       - git
diff --git a/tests/integration/testers/ipu/charmcraft.yaml b/tests/integration/testers/ipu/charmcraft.yaml
index 7f0b9691..c864b362 100644
--- a/tests/integration/testers/ipu/charmcraft.yaml
+++ b/tests/integration/testers/ipu/charmcraft.yaml
@@ -12,5 +12,6 @@ parts:
   charm:
     charm-binary-python-packages:
       - ops
+      - pydantic-core
     build-packages:
       - git
diff --git a/tests/integration/testers/route/charmcraft.yaml b/tests/integration/testers/route/charmcraft.yaml
index 7f0b9691..c864b362 100644
--- a/tests/integration/testers/route/charmcraft.yaml
+++ b/tests/integration/testers/route/charmcraft.yaml
@@ -12,5 +12,6 @@ parts:
   charm:
     charm-binary-python-packages:
       - ops
+      - pydantic-core
     build-packages:
       - git
diff --git a/tests/integration/testers/route/src/charm.py b/tests/integration/testers/route/src/charm.py
index 9c059b23..cc4626bc 100755
--- a/tests/integration/testers/route/src/charm.py
+++ b/tests/integration/testers/route/src/charm.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 # Copyright 2022 Canonical Ltd.
 # See LICENSE file for licensing details.
-from charms.traefik_route_k8s.v0.traefik_route import TraefikRouteRequirer
+from charms.traefik_k8s.v0.traefik_route import TraefikRouteRequirer
 from ops.charm import CharmBase
 from ops.model import ActiveStatus
 
diff --git a/tests/integration/testers/tcp/charmcraft.yaml b/tests/integration/testers/tcp/charmcraft.yaml
index 1d79c382..06980aca 100644
--- a/tests/integration/testers/tcp/charmcraft.yaml
+++ b/tests/integration/testers/tcp/charmcraft.yaml
@@ -13,5 +13,6 @@ parts:
     charm-binary-python-packages:
       - ops
       - lightkube
+      - pydantic-core
     build-packages:
       - git