diff --git a/homeassistant/components/mastodon/manifest.json b/homeassistant/components/mastodon/manifest.json
index 6db3791c519..b49aa735b05 100644
--- a/homeassistant/components/mastodon/manifest.json
+++ b/homeassistant/components/mastodon/manifest.json
@@ -3,7 +3,7 @@
   "name": "Mastodon",
   "documentation": "https://www.home-assistant.io/components/mastodon",
   "requirements": [
-    "Mastodon.py==1.4.2"
+    "Mastodon.py==1.4.3"
   ],
   "dependencies": [],
   "codeowners": [
diff --git a/requirements_all.txt b/requirements_all.txt
index 35d8baa6f3d..d8332696999 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -37,7 +37,7 @@ Adafruit-SHT31==1.0.2
 HAP-python==2.5.0
 
 # homeassistant.components.mastodon
-Mastodon.py==1.4.2
+Mastodon.py==1.4.3
 
 # homeassistant.components.orangepi_gpio
 OPi.GPIO==0.3.6