diff --git a/ARCHITECTURE.md b/ARCHITECTURE.md
index a7dfb13..e050279 100644
--- a/ARCHITECTURE.md
+++ b/ARCHITECTURE.md
@@ -708,7 +708,8 @@ sgard/
   sgardpb/                # Generated protobuf + gRPC Go code
   proto/sgard/v1/         # Proto source definitions
 
-  flake.nix               # Nix flake (builds sgard + sgardd)
+  VERSION                 # Semver string, read by flake.nix; synced from latest git tag via `make version`
+  flake.nix               # Nix flake (builds sgard + sgardd, version from VERSION file)
   .goreleaser.yaml        # GoReleaser (builds both binaries)
 ```
 
diff --git a/PROGRESS.md b/PROGRESS.md
index 1df9a4b..7a2bf16 100644
--- a/PROGRESS.md
+++ b/PROGRESS.md
@@ -112,3 +112,4 @@ Phase 6: Manifest Signing (to be planned).
 | 2026-03-25 | — | Deploy sgardd to rift: Dockerfile, docker-compose, mc-proxy L4 route on :9443, Metacrypt TLS cert, DNS. |
 | 2026-03-25 | — | `sgard remote set/show`: persistent remote config in `<repo>/remote.yaml` (addr, tls, tls_ca). |
 | 2026-03-26 | — | `sgard list` remote support: uses `resolveRemoteConfig()` to list server manifest via `PullManifest` RPC. Client `List()` method added. |
+| 2026-03-26 | — | Version derived from git tags via `VERSION` file. flake.nix reads `VERSION`; Makefile `version` target syncs from latest tag, `build` injects via ldflags. |