diff --git a/README.md b/README.md
index 6d61a39..6bdc34f 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ The normative `SPEC.md`, the JSON Schema for machine YAML, and the cross-languag
 **conformance suite** live in the spec repo. This repository implements that spec in
 Python and is correct **iff it passes the conformance suite**.
 
-Implements the **Determa State spec v0.0.5** (early alpha; all Determa State repos share one
+Implements the **Determa State spec v0.0.6** (early alpha; all Determa State repos share one
 [synchronized version](https://github.com/fruwehq/determa-state-spec)).
 
 Status: **passing the full conformance suite** — all 31 engine cases
@@ -26,7 +26,7 @@ the build order in [issue #3][issue].
 The cross-language **conformance suite** is the single source of truth for correctness;
 this repository is correct **iff it passes it**. The suite lives in
 [`fruwehq/determa-state-conformance`](https://github.com/fruwehq/determa-state-conformance); the test
-harness **fetches it at the matching release tag** (`v0.0.5`) into a gitignored
+harness **fetches it at the matching release tag** (`v0.0.6`) into a gitignored
 `.cache/` — no git submodule. The normative `SPEC.md` and JSON Schema live in
 [`fruwehq/determa-state-spec`](https://github.com/fruwehq/determa-state-spec); the schema-drift test fetches the
 schema at the same tag.
diff --git a/src/determa/state/__about__.py b/src/determa/state/__about__.py
index a986436..0780816 100644
--- a/src/determa/state/__about__.py
+++ b/src/determa/state/__about__.py
@@ -5,4 +5,4 @@
 is exactly one place to bump.
 """
 
-__version__ = "0.0.5"
+__version__ = "0.0.6"
diff --git a/src/determa/state/cli.py b/src/determa/state/cli.py
index 40f3bc5..f3e445e 100644
--- a/src/determa/state/cli.py
+++ b/src/determa/state/cli.py
@@ -279,7 +279,7 @@ def cmd_list(args: argparse.Namespace, store: Store) -> int:
         rows = [
             {
                 "id": i.id,
-                "def": f"{i.machine.id}@{i.machine.version}",
+                "definition": f"{i.machine.id}@{i.machine.version}",
                 "parent": i.parent_id,
                 "status": i.status.value,
                 "config": i.active_leaf_names(),
@@ -495,7 +495,7 @@ def _parse_captured(text: str) -> Any:
 def _state_json(host: Host, inst: Instance) -> dict[str, Any]:
     return {
         "instance": inst.id,
-        "def": f"{inst.machine.id}@{inst.machine.version}",
+        "definition": f"{inst.machine.id}@{inst.machine.version}",
         "status": inst.status.value,
         "config": inst.active_leaf_names(),
         "esvs": inst.resolved_esvs(),