diff --git a/Dockerfile b/Dockerfile
index f4db43b..cf1d28e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,7 @@
-# Ubuntu is required by playwright
-FROM ubuntu:latest AS base
+# Ubuntu is required by playwright.
+# Pin to 24.04 LTS: ubuntu:latest floats to 26.04, which Playwright 1.58
+# cannot install firefox deps for (no libgtk-3 -> camoufox fails to launch).
+FROM ubuntu:24.04 AS base
 
 ARG GITHUB_BUILD=false \
     VERSION