diff --git a/requirements.txt b/requirements.txt
index ed8c0499..959fe2d7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,8 +13,9 @@ Pillow
 flask
 tqdm
 inflect
+pysbd
 bokeh==1.4.0
 soundfile
 nose==1.3.7
 cardboardlint==1.3.0
-pylint==2.5.3
\ No newline at end of file
+pylint==2.5.3
diff --git a/requirements_tests.txt b/requirements_tests.txt
index 963c1c8f..ca13b2c4 100644
--- a/requirements_tests.txt
+++ b/requirements_tests.txt
@@ -13,7 +13,8 @@ Pillow
 flask
 tqdm
 inflect
+pysbd
 bokeh==1.4.0
 soundfile
 nose==1.3.7
-cardboardlint==1.3.0
\ No newline at end of file
+cardboardlint==1.3.0
diff --git a/setup.py b/setup.py
index bfc59516..b139dc20 100644
--- a/setup.py
+++ b/setup.py
@@ -91,6 +91,7 @@ requirements = {
         "flask",
         "tqdm",
         "inflect",
+        "pysbd",
         "bokeh==1.4.0",
         "soundfile",
         "phonemizer>=2.2.0",
@@ -149,4 +150,4 @@ setup(
 # for some reason having tensorflow in 'install_requires'
 # breaks some of the dependencies.
 for module in requirements['pip_install']:
-    pip_install(module)
\ No newline at end of file
+    pip_install(module)