diff --git a/pyproject.toml b/pyproject.toml
index 0dfff1e..1a5d4e3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "temporal-rest-executor"
-version = "0.3.0"
+version = "0.3.1"
 description = ""
 authors = ["Your Name <you@example.com>"]
 readme = "README.md"
diff --git a/src/executor/env.py b/src/executor/env.py
index 1a28c9f..d0fed0f 100644
--- a/src/executor/env.py
+++ b/src/executor/env.py
@@ -6,7 +6,7 @@
 
 UVICORN_BIND_ADDR: str = getenv("UVICORN_BIND_ADDR", "0.0.0.0")
 
-UVICORN_BIND_PORT: int = getenv("UVICORN_BIND_PORT", 8000)
+UVICORN_BIND_PORT: int = int(getenv("UVICORN_BIND_PORT", 8000))
 
 TEMPORAL_ENDPOINT: str = getenv("TEMPORAL_ENDPOINT", "localhost:7233")
 
@@ -36,6 +36,6 @@
     "PROMETHEUS_ENDPOINT_ENABLED", True
 )
 
-PROMETHEUS_ENDPOINT_PORT: str = getenv(
+PROMETHEUS_ENDPOINT_PORT: int = int(getenv(
     "PROMETHEUS_ENDPOINT_PORT", "9000"
-)
+))
diff --git a/src/executor/main.py b/src/executor/main.py
index 14eb9a3..e171783 100644
--- a/src/executor/main.py
+++ b/src/executor/main.py
@@ -20,7 +20,7 @@
 
 
 __title__: str = SERVICE_NAME
-__version__: str = "0.3.0"
+__version__: str = "0.3.1"
 
 
 console = Console()