diff --git a/Dockerfile.test b/Dockerfile.test
index 5304d06..a0eb928 100644
--- a/Dockerfile.test
+++ b/Dockerfile.test
@@ -3,7 +3,7 @@
 #     docker build -t sqliteviz/test -f Dockerfile.test .
 #
 
-FROM node:12
+FROM node:12.22-buster
 
 RUN set -ex; \
     apt update; \
diff --git a/lib/sql-js/benchmark/Dockerfile b/lib/sql-js/benchmark/Dockerfile
index 7bcadcf..976b848 100644
--- a/lib/sql-js/benchmark/Dockerfile
+++ b/lib/sql-js/benchmark/Dockerfile
@@ -1,10 +1,8 @@
-FROM node:14-bullseye
+FROM node:20.14-bookworm
 
 RUN set -ex; \
-    echo 'deb http://deb.debian.org/debian unstable main' \
-        > /etc/apt/sources.list.d/unstable.list; \
     apt-get update; \
-    apt-get install -y -t unstable firefox; \
+    apt-get install -y firefox-esr; \
     apt-get install -y chromium
 
 WORKDIR /tmp/build