diff --git a/python/ironic-understack/devbox.json b/python/ironic-understack/devbox.json
index 226a95c91..e90fb8160 100644
--- a/python/ironic-understack/devbox.json
+++ b/python/ironic-understack/devbox.json
@@ -2,7 +2,7 @@
   "$schema": "https://raw.githubusercontent.com/jetify-com/devbox/0.12.0/.schema/devbox.schema.json",
   "packages": [
     "jq@latest",
-    "yq-go@latest",
+    "yq-go@3.4.1",
     "python3@3.12.8",
     "poetry@latest",
     "kubectl@latest",
diff --git a/python/neutron-understack/devbox.json b/python/neutron-understack/devbox.json
index 2cf5af2e4..dcaaffeec 100644
--- a/python/neutron-understack/devbox.json
+++ b/python/neutron-understack/devbox.json
@@ -5,7 +5,7 @@
     "poetry@1.8.3",
     "argo@latest",
     "difftastic@latest",
-    "yq-go@latest",
+    "yq-go@3.4.1",
     "jq@latest",
     "pyright@latest"
   ],
diff --git a/python/understack-workflows/devbox.json b/python/understack-workflows/devbox.json
index daedf3ced..d0a694336 100644
--- a/python/understack-workflows/devbox.json
+++ b/python/understack-workflows/devbox.json
@@ -1,7 +1,7 @@
 {
   "$schema": "https://raw.githubusercontent.com/jetify-com/devbox/0.12.0/.schema/devbox.schema.json",
   "packages": [
-    "yq-go@latest",
+    "yq-go@3.4.1",
     "python3@3.12.8",
     "zsh@latest",
     "argo@latest",