diff --git a/homeassistant/components/amcrest/manifest.json b/homeassistant/components/amcrest/manifest.json
index e05fdcf4bd4..a2eb8c24e21 100644
--- a/homeassistant/components/amcrest/manifest.json
+++ b/homeassistant/components/amcrest/manifest.json
@@ -3,7 +3,7 @@
   "name": "Amcrest",
   "documentation": "https://www.home-assistant.io/components/amcrest",
   "requirements": [
-    "amcrest==1.3.0"
+    "amcrest==1.4.0"
   ],
   "dependencies": [
     "ffmpeg"
diff --git a/homeassistant/components/amcrest/sensor.py b/homeassistant/components/amcrest/sensor.py
index 4d2cd88c5ae..718d08358c4 100644
--- a/homeassistant/components/amcrest/sensor.py
+++ b/homeassistant/components/amcrest/sensor.py
@@ -84,8 +84,16 @@ class AmcrestSensor(Entity):
             self._state = self._api.ptz_presets_count
 
         elif self._sensor_type == 'sdcard':
-            sd_used = self._api.storage_used
-            sd_total = self._api.storage_total
-            self._attrs['Total'] = '{0} {1}'.format(*sd_total)
-            self._attrs['Used'] = '{0} {1}'.format(*sd_used)
-            self._state = self._api.storage_used_percent
+            storage = self._api.storage_all
+            try:
+                self._attrs['Total'] = '{:.2f} {}'.format(*storage['total'])
+            except ValueError:
+                self._attrs['Total'] = '{} {}'.format(*storage['total'])
+            try:
+                self._attrs['Used'] = '{:.2f} {}'.format(*storage['used'])
+            except ValueError:
+                self._attrs['Used'] = '{} {}'.format(*storage['used'])
+            try:
+                self._state = '{:.2f}'.format(storage['used_percent'])
+            except ValueError:
+                self._state = storage['used_percent']
diff --git a/requirements_all.txt b/requirements_all.txt
index 1540a936b5b..b4a8d1bd75e 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -161,7 +161,7 @@ alarmdecoder==1.13.2
 alpha_vantage==2.1.0
 
 # homeassistant.components.amcrest
-amcrest==1.3.0
+amcrest==1.4.0
 
 # homeassistant.components.androidtv
 androidtv==0.0.15