diff --git a/pyproject.toml b/pyproject.toml
index bb60d17..66095ad 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ classifiers = [
   "Topic :: Software Development :: Quality Assurance",
   "Topic :: Software Development :: Libraries :: Python Modules",
 ]
-requires-python = ">=3.9, <3.14"
+requires-python = ">=3.9.2, <3.14"
 dependencies = [
   "requests>=2.32.4"
 ]
@@ -37,7 +37,7 @@ dependencies = [
 [project.optional-dependencies]
 testing = [
   "docker>=7.1.0",
-  "testcontainers>=3.7.1,<4.0.0",
+  "testcontainers>=4.13.2",
 ]
 
 [dependency-groups]
diff --git a/wiremock/testing/testcontainer.py b/wiremock/testing/testcontainer.py
index b9580a1..8761c0f 100644
--- a/wiremock/testing/testcontainer.py
+++ b/wiremock/testing/testcontainer.py
@@ -12,7 +12,7 @@
 import requests
 from testcontainers.core.container import DockerContainer
 from testcontainers.core.exceptions import ContainerStartException
-from testcontainers.core.waiting_utils import wait_container_is_ready
+from testcontainers.core.wait_strategies import HttpWaitStrategy
 
 from wiremock.resources.mappings.models import Mapping
 
@@ -187,7 +187,6 @@ def reload_mappings(self) -> requests.Response:
 
         return resp
 
-    @wait_container_is_ready()
     def configure(self) -> None:
         if not self.server_running():
             raise WireMockContainerException(
@@ -221,6 +220,7 @@ def get_url(self, path: str) -> str:
     def start(self, cmd: Optional[str] = None) -> "WireMockContainer":
         self.with_command(cmd)
         super().start()
+        self.waiting_for(HttpWaitStrategy(self.https_server_port if self.secure else self.http_server_port))
         self.configure()
         return self