diff --git a/rt-tests/Dockerfile b/rt-tests/Dockerfile
index 27dddd4..2d85b7e 100644
--- a/rt-tests/Dockerfile
+++ b/rt-tests/Dockerfile
@@ -1,6 +1,6 @@
 ARG IMAGE_ARCH=linux/arm
 # For IMX8 use IMAGE_ARCH=linux/arm64
-ARG IMAGE_TAG=1-buster
+ARG IMAGE_TAG=2-bullseye
 FROM --platform=$IMAGE_ARCH torizon/debian:$IMAGE_TAG
 
 RUN apt-get update \
diff --git a/stress-tests/Dockerfile b/stress-tests/Dockerfile
index 8b6e034..4f152f5 100644
--- a/stress-tests/Dockerfile
+++ b/stress-tests/Dockerfile
@@ -1,6 +1,6 @@
 ARG IMAGE_ARCH=linux/arm
 # For IMX8 use IMAGE_ARCH=linux/arm64
-ARG IMAGE_TAG=1-buster
+ARG IMAGE_TAG=2-bullseye
 FROM --platform=$IMAGE_ARCH torizon/debian:$IMAGE_TAG
 
 RUN apt-get update \