diff --git a/src/main/resources/ath-container/Dockerfile b/src/main/resources/ath-container/Dockerfile
index dd5e03e5f0..7b0c689b0a 100644
--- a/src/main/resources/ath-container/Dockerfile
+++ b/src/main/resources/ath-container/Dockerfile
@@ -26,7 +26,7 @@ RUN apt-get update \
   && rm -rf /var/lib/apt/lists/*
 
 # Install a fixed firefox version that is known to work with the current selenium version, copied from https://support.mozilla.org/en-US/kb/install-firefox-linux
-ARG FIREFOX_VERSION=123.0.1
+ARG FIREFOX_VERSION=129.0
 RUN install -m 0755 -d /etc/apt/keyrings \
   && curl -fsSL https://packages.mozilla.org/apt/repo-signing-key.gpg -o /etc/apt/keyrings/packages.mozilla.org.asc \
   && printf 'deb [signed-by=/etc/apt/keyrings/packages.mozilla.org.asc] https://packages.mozilla.org/apt mozilla main\n' > /etc/apt/sources.list.d/mozilla.list \