diff --git a/README.md b/README.md
index 0e53d83..8029bb6 100644
--- a/README.md
+++ b/README.md
@@ -6,10 +6,10 @@
 
 | Surface | Value |
 | --- | ---: |
-| Adapter version | `1.5.2` |
+| Adapter version | `1.5.1` |
 | Runtime baseline | Antigravity CLI `1.0.8` |
 | Runtime channel | `stable/curl-latest` |
-| GitHub release tag | `1.5.2` |
+| GitHub release tag | `1.5.1` |
 
 Antigravity CLI freshness uses `agy --version` as the primary
 source of truth, with the GitHub release tag as release provenance.
@@ -218,7 +218,7 @@ release-policy update.
 
 ### Access and Antigravity Notice
 
-Antigravity CLI adapter `1.5.2` targets enterprise, paid API-key, Vertex AI, Google
+Antigravity CLI adapter `1.5.1` targets enterprise, paid API-key, Vertex AI, Google
 Cloud, and explicitly owner-approved authenticated environments. Consumer OAuth
 availability after June 18, 2026 is `NOT_PROVEN` for this adapter because
 Google announced a transition of unpaid and Google One Antigravity CLI users to
diff --git a/SECURITY.md b/SECURITY.md
index e1d8260..4292023 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -9,7 +9,7 @@ the root control plane explicitly pins them.
 
 | Version | Supported |
 | --- | --- |
-| Current exact tag `1.5.2` | yes |
+| Current exact tag `1.5.1` | yes |
 | Older minor / major lines | no |
 
 ## Secrets
diff --git a/uv.lock b/uv.lock
index 2143a98..832905b 100644
--- a/uv.lock
+++ b/uv.lock
@@ -4,5 +4,5 @@ requires-python = "==3.13.*"
 
 [[package]]
 name = "rldyour-antigravity-cli"
-version = "1.5.2"
+version = "1.5.1"
 source = { virtual = "." }