diff --git a/homeassistant/components/microsoft/manifest.json b/homeassistant/components/microsoft/manifest.json
index 0e371199a18..5b936bc7ded 100644
--- a/homeassistant/components/microsoft/manifest.json
+++ b/homeassistant/components/microsoft/manifest.json
@@ -2,6 +2,6 @@
   "domain": "microsoft",
   "name": "Microsoft Text-to-Speech (TTS)",
   "documentation": "https://www.home-assistant.io/integrations/microsoft",
-  "requirements": ["pycsspeechtts==1.0.3"],
+  "requirements": ["pycsspeechtts==1.0.4"],
   "codeowners": []
 }
diff --git a/requirements_all.txt b/requirements_all.txt
index 29cc2164b10..2ce16daee72 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -1322,7 +1322,7 @@ pycoolmasternet-async==0.1.2
 pycountry==19.8.18
 
 # homeassistant.components.microsoft
-pycsspeechtts==1.0.3
+pycsspeechtts==1.0.4
 
 # homeassistant.components.cups
 # pycups==1.9.73