diff --git a/umbra/install b/umbra/install
index f106ad77db..f8e10abc5c 100755
--- a/umbra/install
+++ b/umbra/install
@@ -4,7 +4,7 @@ set -eu
 sudo apt-get update -y
 sudo apt-get install -y docker.io postgresql-client gzip strace gcc
 
-sudo docker pull umbradb/umbra:latest
+sudo docker pull umbradb/umbra:26.08
 
 mkdir -p data db
 chmod -R 777 data db
diff --git a/umbra/start b/umbra/start
index de2ecc72fe..e530692e3d 100755
--- a/umbra/start
+++ b/umbra/start
@@ -15,4 +15,4 @@ sudo docker run -d --name umbradb \
     --ulimit nofile=1048576:1048576 \
     --ulimit memlock=-1:-1 \
     -e ASYNCIO=0 \
-    umbradb/umbra:latest >/dev/null
+    umbradb/umbra:26.08 >/dev/null