diff --git a/Dockerfile b/Dockerfile
index f185d51..d33dc14 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -19,7 +19,7 @@ FROM jlesage/baseimage-gui:alpine-3.21-v4.7.1
 ARG DOCKER_IMAGE_VERSION=
 
 # Define software versions.
-ARG FIREFOX_VERSION=136.0-r0
+ARG FIREFOX_VERSION=136.0.4-r0
 #ARG PROFILE_CLEANER_VERSION=2.36
 
 # Define software download URLs.