diff --git a/projects/Text_to_speech/requirements.txt b/projects/Text_to_speech/requirements.txt
index 08054fdda..4c47c2d50 100644
--- a/projects/Text_to_speech/requirements.txt
+++ b/projects/Text_to_speech/requirements.txt
@@ -1 +1,2 @@
 gTTS==2.1.1
+urllib3>=2.5.0 # not directly required, pinned by Snyk to avoid a vulnerability