diff --git a/platypush/plugins/tts/google/manifest.yaml b/platypush/plugins/tts/google/manifest.yaml
index 029a4f37..82bcbb43 100644
--- a/platypush/plugins/tts/google/manifest.yaml
+++ b/platypush/plugins/tts/google/manifest.yaml
@@ -1,7 +1,26 @@
 manifest:
   events: {}
   install:
+    apk:
+      - ffmpeg
+      - portaudio-dev
+      - py3-numpy
+    apt:
+      - ffmpeg
+      - portaudio19-dev
+      - python3-numpy
+    dnf:
+      - ffmpeg
+      - portaudio-devel
+      - python-numpy
+    pacman:
+      - ffmpeg
+      - portaudio
+      - python-sounddevice
+      - python-numpy
     pip:
-    - google-cloud-texttospeech
+      - sounddevice
+      - google-cloud-texttospeech
+      - numpy
   package: platypush.plugins.tts.google
   type: plugin
diff --git a/platypush/plugins/tts/manifest.yaml b/platypush/plugins/tts/manifest.yaml
index 9748a54e..12d184f7 100644
--- a/platypush/plugins/tts/manifest.yaml
+++ b/platypush/plugins/tts/manifest.yaml
@@ -1,6 +1,25 @@
 manifest:
   events: {}
   install:
-    pip: []
+    apk:
+      - ffmpeg
+      - portaudio-dev
+      - py3-numpy
+    apt:
+      - ffmpeg
+      - portaudio19-dev
+      - python3-numpy
+    dnf:
+      - ffmpeg
+      - portaudio-devel
+      - python-numpy
+    pacman:
+      - ffmpeg
+      - portaudio
+      - python-numpy
+      - python-sounddevice
+    pip:
+      - numpy
+      - sounddevice
   package: platypush.plugins.tts
   type: plugin
diff --git a/platypush/plugins/tts/mimic3/manifest.yaml b/platypush/plugins/tts/mimic3/manifest.yaml
index 4119497e..9e2f3f7e 100644
--- a/platypush/plugins/tts/mimic3/manifest.yaml
+++ b/platypush/plugins/tts/mimic3/manifest.yaml
@@ -1,6 +1,25 @@
 manifest:
   events: {}
   install:
-    pip: []
+    apk:
+      - ffmpeg
+      - portaudio-dev
+      - py3-numpy
+    apt:
+      - ffmpeg
+      - portaudio19-dev
+      - python3-numpy
+    dnf:
+      - ffmpeg
+      - portaudio-devel
+      - python-numpy
+    pacman:
+      - ffmpeg
+      - portaudio
+      - python-numpy
+      - python-sounddevice
+    pip:
+      - numpy
+      - sounddevice
   package: platypush.plugins.tts.mimic3
   type: plugin