diff --git a/requirements.txt b/requirements.txt
index d65b871..b1a2aa1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 daily-python
 pyaudio
 requests
+urllib3>=2.6.0 # not directly required, pinned by Snyk to avoid a vulnerability
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 523688e..047bd8b 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -10,3 +10,4 @@ twine==1.14.0
 Click==7.1.2
 
 
+urllib3>=2.5.0 # not directly required, pinned by Snyk to avoid a vulnerability