diff --git a/demo/run.sh b/demo/run.sh
index fde5e0f4..1f898bf6 100755
--- a/demo/run.sh
+++ b/demo/run.sh
@@ -22,6 +22,10 @@ fi
 
 pushd "$DIR" > /dev/null 2>&1 || exit
 
+# Needed until zxcvbn supports Python 3.13
+# https://github.com/fief-dev/zxcvbn-rs-py/issues/2
+export PYO3_USE_ABI3_FORWARD_COMPATIBILITY=1
+
 uv sync --group demo --all-extras
 
 if [ "$BACKEND" = "memory" ]; then