diff --git a/requirements.txt b/requirements.txt
index 78a1098..da4ef83 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ dedupe-variable-datetime==0.1.5
 docutils==0.13.1
 DoubleMetaphone==0.1
 fastcluster==1.1.24
-Flask==0.12.2
+Flask==2.3.2
 future==0.16.0
 haversine==2.5.1
 highered==0.2.1