diff --git a/requirements.txt b/requirements.txt
index b0e57e1..49366bf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ jupyter==1.0.0
 librosa==0.6.3
 tqdm==4.31.1
 requests==2.21.0
-Flask==1.0.2
+Flask==2.3.2
 pytest==4.3.1
 
 # Packages that are not used directly but influence the build process significantly.