diff --git a/build_iso.sh b/build_iso.sh
index 64904a5..3b6acdf 100755
--- a/build_iso.sh
+++ b/build_iso.sh
@@ -16,7 +16,7 @@ TEMPLATES="templates"
 GRML_URL="${GRML_URL:-https://deb.sipwise.com/deployment-iso/grml/}"
 GRML_HASH_URL="${GRML_HASH_URL:-https://deb.sipwise.com/deployment-iso/grml/}"
 SIPWISE_ISO="sip_provider_${MR}_${DATE}.iso"
-GRML2USB_VERSION='v0.20.13'
+GRML2USB_VERSION='v0.20.14'
 
 usage () {
   echo "Usage: $0 compat <grml.iso> <mr version> <Debian dist>"
diff --git a/t/Dockerfile b/t/Dockerfile
index 0f222f7..1484c9d 100644
--- a/t/Dockerfile
+++ b/t/Dockerfile
@@ -5,7 +5,7 @@ FROM docker.mgm.sipwise.com/sipwise-trixie:latest
 # is updated with the current date. It will force refresh of all
 # of the base images and things like `apt-get update` won't be using
 # old cached versions when the Dockerfile is built.
-ENV REFRESHED_AT=2026-01-30
+ENV REFRESHED_AT=2026-06-09
 
 RUN apt-get update && apt-get install --assume-yes git make gcc dpkg-dev