diff --git a/homeassistant/components/evohome/__init__.py b/homeassistant/components/evohome/__init__.py
index a52780c8a0f..f86bf974205 100644
--- a/homeassistant/components/evohome/__init__.py
+++ b/homeassistant/components/evohome/__init__.py
@@ -460,37 +460,44 @@ class EvoChild(EvoDevice):
         day_of_week = int(day_time.strftime("%w"))  # 0 is Sunday
         time_of_day = day_time.strftime("%H:%M:%S")
 
-        # Iterate today's switchpoints until past the current time of day...
-        day = self._schedule["DailySchedules"][day_of_week]
-        sp_idx = -1  # last switchpoint of the day before
-        for i, tmp in enumerate(day["Switchpoints"]):
-            if time_of_day > tmp["TimeOfDay"]:
-                sp_idx = i  # current setpoint
-            else:
-                break
+        try:
+            # Iterate today's switchpoints until past the current time of day...
+            day = self._schedule["DailySchedules"][day_of_week]
+            sp_idx = -1  # last switchpoint of the day before
+            for i, tmp in enumerate(day["Switchpoints"]):
+                if time_of_day > tmp["TimeOfDay"]:
+                    sp_idx = i  # current setpoint
+                else:
+                    break
 
-        # Did the current SP start yesterday? Does the next start SP tomorrow?
-        this_sp_day = -1 if sp_idx == -1 else 0
-        next_sp_day = 1 if sp_idx + 1 == len(day["Switchpoints"]) else 0
+            # Did the current SP start yesterday? Does the next start SP tomorrow?
+            this_sp_day = -1 if sp_idx == -1 else 0
+            next_sp_day = 1 if sp_idx + 1 == len(day["Switchpoints"]) else 0
 
-        for key, offset, idx in [
-            ("this", this_sp_day, sp_idx),
-            ("next", next_sp_day, (sp_idx + 1) * (1 - next_sp_day)),
-        ]:
-            sp_date = (day_time + timedelta(days=offset)).strftime("%Y-%m-%d")
-            day = self._schedule["DailySchedules"][(day_of_week + offset) % 7]
-            switchpoint = day["Switchpoints"][idx]
+            for key, offset, idx in [
+                ("this", this_sp_day, sp_idx),
+                ("next", next_sp_day, (sp_idx + 1) * (1 - next_sp_day)),
+            ]:
+                sp_date = (day_time + timedelta(days=offset)).strftime("%Y-%m-%d")
+                day = self._schedule["DailySchedules"][(day_of_week + offset) % 7]
+                switchpoint = day["Switchpoints"][idx]
 
-            dt_local_aware = _local_dt_to_aware(
-                dt_util.parse_datetime(f"{sp_date}T{switchpoint['TimeOfDay']}")
+                dt_local_aware = _local_dt_to_aware(
+                    dt_util.parse_datetime(f"{sp_date}T{switchpoint['TimeOfDay']}")
+                )
+
+                self._setpoints[f"{key}_sp_from"] = dt_local_aware.isoformat()
+                try:
+                    self._setpoints[f"{key}_sp_temp"] = switchpoint["heatSetpoint"]
+                except KeyError:
+                    self._setpoints[f"{key}_sp_state"] = switchpoint["DhwState"]
+
+        except IndexError:
+            self._setpoints = {}
+            _LOGGER.warning(
+                "Failed to get setpoints - please report as an issue", exc_info=True
             )
 
-            self._setpoints[f"{key}_sp_from"] = dt_local_aware.isoformat()
-            try:
-                self._setpoints[f"{key}_sp_temp"] = switchpoint["heatSetpoint"]
-            except KeyError:
-                self._setpoints[f"{key}_sp_state"] = switchpoint["DhwState"]
-
         return self._setpoints
 
     async def _update_schedule(self) -> None:
diff --git a/homeassistant/components/evohome/manifest.json b/homeassistant/components/evohome/manifest.json
index da942db7920..0b112df42bb 100644
--- a/homeassistant/components/evohome/manifest.json
+++ b/homeassistant/components/evohome/manifest.json
@@ -3,7 +3,7 @@
   "name": "Evohome",
   "documentation": "https://www.home-assistant.io/integrations/evohome",
   "requirements": [
-    "evohome-async==0.3.3b5"
+    "evohome-async==0.3.4b1"
   ],
   "dependencies": [],
   "codeowners": ["@zxdavb"]
diff --git a/requirements_all.txt b/requirements_all.txt
index 0b86ae2d7da..3c649e91756 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -480,7 +480,7 @@ eternalegypt==0.0.10
 # evdev==0.6.1
 
 # homeassistant.components.evohome
-evohome-async==0.3.3b5
+evohome-async==0.3.4b1
 
 # homeassistant.components.dlib_face_detect
 # homeassistant.components.dlib_face_identify