diff --git a/providers/pagerduty/pyproject.toml b/providers/pagerduty/pyproject.toml
index 0e59f99774b2b..d708a60a75afc 100644
--- a/providers/pagerduty/pyproject.toml
+++ b/providers/pagerduty/pyproject.toml
@@ -59,7 +59,7 @@ requires-python = "~=3.9"
 dependencies = [
     "apache-airflow>=2.10.0",
     "apache-airflow-providers-common-compat>=1.6.1",
-    "pagerduty>=1.0.0",
+    "pagerduty>=2.3.0",
 ]
 
 [dependency-groups]
diff --git a/providers/pagerduty/src/airflow/providers/pagerduty/hooks/pagerduty.py b/providers/pagerduty/src/airflow/providers/pagerduty/hooks/pagerduty.py
index d0172615b57db..070f745788ae2 100644
--- a/providers/pagerduty/src/airflow/providers/pagerduty/hooks/pagerduty.py
+++ b/providers/pagerduty/src/airflow/providers/pagerduty/hooks/pagerduty.py
@@ -76,23 +76,26 @@ def get_connection_form_widgets(cls) -> dict[str, Any]:
             ),
         }
 
-    def __init__(self, token: str | None = None, pagerduty_conn_id: str | None = None) -> None:
+    def __init__(self, token: str = "", pagerduty_conn_id: str | None = None) -> None:
         super().__init__()
         self.routing_key = None
-        self._client = None
+        self.token = ""
+        self._client: pagerduty.RestApiV2Client | None = None
 
         if pagerduty_conn_id is not None:
             conn = self.get_connection(pagerduty_conn_id)
-            self.token = conn.get_password()
+            password = conn.get_password()
+            if password is not None:
+                self.token = password
 
             routing_key = conn.extra_dejson.get("routing_key")
             if routing_key:
                 self.routing_key = routing_key
 
-        if token is not None:  # token takes higher priority
+        if token != "":  # token takes higher priority
             self.token = token
 
-        if self.token is None:
+        if self.token == "":
             raise AirflowException("Cannot get token: No valid api token nor pagerduty_conn_id supplied.")
 
     def client(self) -> pagerduty.RestApiV2Client:
diff --git a/providers/pagerduty/src/airflow/providers/pagerduty/hooks/pagerduty_events.py b/providers/pagerduty/src/airflow/providers/pagerduty/hooks/pagerduty_events.py
index 61ad9930b3d71..ac3b6463d63aa 100644
--- a/providers/pagerduty/src/airflow/providers/pagerduty/hooks/pagerduty_events.py
+++ b/providers/pagerduty/src/airflow/providers/pagerduty/hooks/pagerduty_events.py
@@ -61,17 +61,19 @@ def __init__(
         self, integration_key: str | None = None, pagerduty_events_conn_id: str | None = None
     ) -> None:
         super().__init__()
-        self.integration_key = None
+        self.integration_key = ""
         self._client = None
 
         if pagerduty_events_conn_id is not None:
             conn = self.get_connection(pagerduty_events_conn_id)
-            self.integration_key = conn.get_password()
+            password = conn.get_password()
+            if password is not None:
+                self.integration_key = password
 
         if integration_key is not None:  # token takes higher priority
             self.integration_key = integration_key
 
-        if self.integration_key is None:
+        if self.integration_key == "":
             raise AirflowException(
                 "Cannot get token: No valid integration key nor pagerduty_events_conn_id supplied."
             )
@@ -89,7 +91,7 @@ def send_event(
         class_type: str | None = None,
         images: list[Any] | None = None,
         links: list[Any] | None = None,
-    ) -> dict:
+    ) -> str:
         """
         Create event for service integration.
 
@@ -193,7 +195,7 @@ def create_change_event(
         custom_details: Any | None = None,
         timestamp: datetime | None = None,
         links: list[Any] | None = None,
-    ) -> dict:
+    ) -> str:
         """
         Create change event for service integration.