diff --git a/Dockerfile b/Dockerfile
index 14d8b36..209b2f6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/zephyrproject-rtos/ci:main
+FROM ghcr.io/zephyrproject-rtos/ci:v0.26.12
 
 # Cache Zephyr repositories
 RUN mkdir -p /repo-cache/zephyrproject && \