diff --git a/garage.py b/garage.py
index ad1b957..fae4b08 100644
--- a/garage.py
+++ b/garage.py
@@ -36,39 +36,27 @@ def main():
 
 
 def eastDoorOpened():
-    try:
-        threadLock.aquire()
+    with threadLock:
         state["east-door"] = "opened"
         persistState()
-    finally:
-        threadLock.release()
 
 
 def eastDoorClosed():
-    try:
-        threadLock.aquire()
+    with threadLock:
         state["east-door"] = "closed"
         persistState()
-    finally:
-        threadLock.release()
 
 
 def westDoorOpened():
-    try:
-        threadLock.aquire()
+    with threadLock:
         state["west-door"] = "opened"
         persistState()
-    finally:
-        threadLock.release()
 
 
 def westDoorClosed():
-    try:
-        threadLock.aquire()
+    with threadLock:
         state["west-door"] = "closed"
         persistState()
-    finally:
-        threadLock.release()
 
 
 def persistState():