diff --git a/python/ironic-understack/devbox.json b/python/ironic-understack/devbox.json
index c0ae236c8..226a95c91 100644
--- a/python/ironic-understack/devbox.json
+++ b/python/ironic-understack/devbox.json
@@ -8,7 +8,7 @@
     "kubectl@latest",
     "kubeseal@0.28.0",
     "kustomize@3.10.0",
-    "telepresence2@latest"
+    "telepresence2@2.21.3"
   ],
   "shell": {
     "init_hook": [
diff --git a/python/understack-workflows/devbox.json b/python/understack-workflows/devbox.json
index 734c8336c..daedf3ced 100644
--- a/python/understack-workflows/devbox.json
+++ b/python/understack-workflows/devbox.json
@@ -9,7 +9,7 @@
     "kubectl@latest",
     "kubeseal@0.28.0",
     "kustomize@3.10.0",
-    "telepresence2@latest",
+    "telepresence2@2.21.3",
     "jq@latest",
     "poetry@1.8.3"
   ],