diff --git a/runtime/tests/runtime-signing.test.mjs b/runtime/tests/runtime-signing.test.mjs
index 107794d..c04ba61 100644
--- a/runtime/tests/runtime-signing.test.mjs
+++ b/runtime/tests/runtime-signing.test.mjs
@@ -86,11 +86,11 @@ test("private PEM_B64 + public raw32 b64 path signs and /verify roundtrip works"
     assert.equal(h.kid, keys.kid);
 
     const body = {
-      x402: { verb: "describe", version: "1.0.0", entry: "x402://describeagent.eth/describe/v1.0.0" },
+      x402: { verb: "describe", version: "1.1.0", entry: "x402://describeagent.eth/describe/v1.1.0" },
       input: { subject: "t", detail_level: "short" },
       trace: { provider: "test" },
     };
-    const receiptResp = await fetch(`${srv.base}/describe/v1.0.0`, {
+    const receiptResp = await fetch(`${srv.base}/describe/v1.1.0`, {
       method: "POST",
       headers: { "content-type": "application/json" },
       body: JSON.stringify(body),
@@ -144,12 +144,12 @@ test("/verify?ens=1 passes with mocked ENS TXT response", async () => {
 
   try {
     const body = {
-      x402: { verb: "describe", version: "1.0.0", entry: "x402://describeagent.eth/describe/v1.0.0" },
+      x402: { verb: "describe", version: "1.1.0", entry: "x402://describeagent.eth/describe/v1.1.0" },
       input: { subject: "t", detail_level: "short" },
       trace: { provider: "test" },
     };
     const response = await (
-      await fetch(`${srv.base}/describe/v1.0.0`, {
+      await fetch(`${srv.base}/describe/v1.1.0`, {
         method: "POST",
         headers: { "content-type": "application/json" },
         body: JSON.stringify(body),
diff --git a/scripts/smoke-ens.sh b/scripts/smoke-ens.sh
index e175d75..d003233 100644
--- a/scripts/smoke-ens.sh
+++ b/scripts/smoke-ens.sh
@@ -3,7 +3,7 @@ set -euo pipefail
 
 BASE="${RUNTIME_BASE:-https://runtime.commandlayer.org}"
 
-curl -sS -X POST "$BASE/describe/v1.0.0" \
+curl -sS -X POST "$BASE/describe/v1.1.0" \
   -H "content-type: application/json" \
   --data-binary '{"input":{"subject":"hello"}}' > /tmp/receipt.json
 
diff --git a/scripts/smoke.mjs b/scripts/smoke.mjs
index 48e5a40..069fd79 100644
--- a/scripts/smoke.mjs
+++ b/scripts/smoke.mjs
@@ -2,7 +2,7 @@ import process from "node:process";
 
 const base = process.env.SMOKE_BASE_URL || `http://127.0.0.1:${process.env.PORT || 8080}`;
 const input = {
-  x402: { entry: "x402://describeagent.eth/describe/v1.0.0", verb: "describe", version: "1.0.0" },
+  x402: { entry: "x402://describeagent.eth/describe/v1.1.0", verb: "describe", version: "1.1.0" },
   input: { subject: "CommandLayer", detail_level: "short" },
 };
 
@@ -18,14 +18,14 @@ try {
   if (!healthResp.ok) fail("/health http", health);
   if (!health.signer_ok || !health.verifier_ok) fail("/health signer/verifier", health);
 
-  const describeResp = await fetch(`${base}/describe/v1.0.0`, {
+  const describeResp = await fetch(`${base}/describe/v1.1.0`, {
     method: "POST",
     headers: { "content-type": "application/json" },
     body: JSON.stringify(input),
   });
   const response = await describeResp.json();
   const receipt = response?.receipt || response;
-  if (!describeResp.ok) fail("/describe/v1.0.0 http", response);
+  if (!describeResp.ok) fail("/describe/v1.1.0 http", response);
   if (!receipt?.metadata?.proof?.hash_sha256 || !receipt?.metadata?.proof?.signature_b64) {
     fail("describe proof fields", receipt?.metadata?.proof || response);
   }
diff --git a/server.mjs b/server.mjs
index a6830e0..f53e9a3 100644
--- a/server.mjs
+++ b/server.mjs
@@ -138,9 +138,9 @@ const runtimeConfig = {
 
 // service identity / discovery
 const SERVICE_NAME = process.env.SERVICE_NAME || "commandlayer-runtime";
-const SERVICE_VERSION = process.env.SERVICE_VERSION || "1.0.0";
+const SERVICE_VERSION = process.env.SERVICE_VERSION || "1.1.0";
 const CANONICAL_BASE = (process.env.CANONICAL_BASE_URL || "https://runtime.commandlayer.org").replace(/\/+$/, "");
-const API_VERSION = process.env.API_VERSION || "1.0.0";
+const API_VERSION = process.env.API_VERSION || "1.1.0";
 
 // ENS verifier config
 const ETH_RPC_URL = runtimeConfig.ethRpcUrl;
@@ -1020,7 +1020,7 @@ function doDescribe(body) {
       ? `**${subject}** is a standard “API meaning” contract agents can call using published schemas and receipts.`
       : `**${subject}** is a semantic contract for agents. It standardizes verbs, strict JSON Schemas (requests + receipts), and verifiable receipts so different runtimes can execute the same intent without semantic drift.`;
 
-  return { description, bullets, properties: { verb: "describe", version: "1.0.0", detail_level: detail } };
+  return { description, bullets, properties: { verb: "describe", version: API_VERSION, detail_level: detail } };
 }
 
 function doFormat(body) {
@@ -1349,7 +1349,7 @@ async function handleVerb(verb, req, res) {
   };
 
   try {
-    const x402 = req.body?.x402 || { verb, version: "1.0.0", entry: `x402://${verb}agent.eth/${verb}/v1.0.0` };
+    const x402 = req.body?.x402 || { verb, version: API_VERSION, entry: `x402://${verb}agent.eth/${verb}/v${API_VERSION}` };
 
     const callerTimeout = Number(req.body?.limits?.timeout_ms || req.body?.limits?.max_latency_ms || 0);
     const timeoutMs = Math.min(SERVER_MAX_HANDLER_MS, callerTimeout && callerTimeout > 0 ? callerTimeout : SERVER_MAX_HANDLER_MS);
@@ -1374,7 +1374,7 @@ async function handleVerb(verb, req, res) {
     }
 
   } catch (e) {
-    const x402 = req.body?.x402 || { verb, version: "1.0.0", entry: `x402://${verb}agent.eth/${verb}/v1.0.0` };
+    const x402 = req.body?.x402 || { verb, version: API_VERSION, entry: `x402://${verb}agent.eth/${verb}/v${API_VERSION}` };
 
     const actor = req.body?.actor
       ? { id: String(req.body.actor), role: "user" }
diff --git a/tests/smoke.mjs b/tests/smoke.mjs
index 67afe6b..a48228e 100644
--- a/tests/smoke.mjs
+++ b/tests/smoke.mjs
@@ -209,12 +209,12 @@ async function main() {
 }
 
     const describeBody = {
-      x402: { verb: "describe", version: "1.0.0", entry: "x402://describeagent.eth/describe/v1.0.0" },
+      x402: { verb: "describe", version: "1.1.0", entry: "x402://describeagent.eth/describe/v1.1.0" },
       input: { subject: "smoke-test", detail_level: "short" },
       trace: { provider: "smoke" },
     };
 
-    const describe = await httpJson(`${baseUrl}/describe/v1.0.0`, { method: "POST", body: describeBody });
+    const describe = await httpJson(`${baseUrl}/describe/v1.1.0`, { method: "POST", body: describeBody });
     assert.equal(describe.status, 200, `describe failed: ${JSON.stringify(describe.json)}`);
     const { receipt, runtimeMetadata } = extractReceiptEnvelope(describe.json);
     assert.equal(receipt.status, "success", `describe receipt status must be success`);