diff --git a/CODEOWNERS b/CODEOWNERS
index 20336249168..fcc8edf7710 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -312,7 +312,7 @@ homeassistant/components/plugwise/* @laetificat @CoMPaTech @bouwew
 homeassistant/components/plum_lightpad/* @ColinHarrington
 homeassistant/components/point/* @fredrike
 homeassistant/components/powerwall/* @bdraco @jrester
-homeassistant/components/proxmoxve/* @k4ds3
+homeassistant/components/proxmoxve/* @k4ds3 @jhollowe
 homeassistant/components/ps4/* @ktnrg45
 homeassistant/components/ptvsd/* @swamp-ig
 homeassistant/components/push/* @dgomes
diff --git a/homeassistant/components/proxmoxve/__init__.py b/homeassistant/components/proxmoxve/__init__.py
index 315fb8b1c91..0919feb15e3 100644
--- a/homeassistant/components/proxmoxve/__init__.py
+++ b/homeassistant/components/proxmoxve/__init__.py
@@ -1,7 +1,6 @@
 """Support for Proxmox VE."""
 from enum import Enum
 import logging
-import time
 
 from proxmoxer import ProxmoxAPI
 from proxmoxer.backends.https import AuthenticationError
@@ -137,25 +136,21 @@ class ProxmoxClient:
         self._connection_start_time = None
 
     def build_client(self):
-        """Construct the ProxmoxAPI client."""
+        """Construct the ProxmoxAPI client. Allows inserting the realm within the `user` value."""
+
+        if "@" in self._user:
+            user_id = self._user
+        else:
+            user_id = f"{self._user}@{self._realm}"
 
         self._proxmox = ProxmoxAPI(
             self._host,
             port=self._port,
-            user=f"{self._user}@{self._realm}",
+            user=user_id,
             password=self._password,
             verify_ssl=self._verify_ssl,
         )
 
-        self._connection_start_time = time.monotonic()
-
     def get_api_client(self):
-        """Return the ProxmoxAPI client and rebuild it if necessary."""
-
-        connection_age = time.monotonic() - self._connection_start_time
-
-        # Workaround for the Proxmoxer bug where the connection stops working after some time
-        if connection_age > 30 * 60:
-            self.build_client()
-
+        """Return the ProxmoxAPI client."""
         return self._proxmox
diff --git a/homeassistant/components/proxmoxve/manifest.json b/homeassistant/components/proxmoxve/manifest.json
index 2735bab1b04..4040ca7c469 100644
--- a/homeassistant/components/proxmoxve/manifest.json
+++ b/homeassistant/components/proxmoxve/manifest.json
@@ -2,6 +2,6 @@
   "domain": "proxmoxve",
   "name": "Proxmox VE",
   "documentation": "https://www.home-assistant.io/integrations/proxmoxve",
-  "codeowners": ["@k4ds3"],
-  "requirements": ["proxmoxer==1.0.4"]
+  "codeowners": ["@k4ds3", "@jhollowe"],
+  "requirements": ["proxmoxer==1.1.0"]
 }
diff --git a/requirements_all.txt b/requirements_all.txt
index fc3645a3880..d2f63a96407 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -1115,7 +1115,7 @@ prometheus_client==0.7.1
 protobuf==3.6.1
 
 # homeassistant.components.proxmoxve
-proxmoxer==1.0.4
+proxmoxer==1.1.0
 
 # homeassistant.components.systemmonitor
 psutil==5.7.0