diff --git a/requirements.txt b/requirements.txt
index 03873061..ed8c0499 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,6 +4,7 @@ numpy>=1.16.0
 scipy>=0.19.0
 numba==0.48
 librosa==0.7.2
+phonemizer>=2.2.0
 unidecode==0.4.20
 attrdict
 tensorboardX
diff --git a/requirements_tests.txt b/requirements_tests.txt
index cd5df3fa..963c1c8f 100644
--- a/requirements_tests.txt
+++ b/requirements_tests.txt
@@ -4,6 +4,7 @@ numpy>=1.16.0
 scipy>=0.19.0
 numba==0.48
 librosa==0.7.2
+phonemizer>=2.2.0
 unidecode==0.4.20
 attrdict
 tensorboardX