diff --git a/CHANGELOG.md b/CHANGELOG.md
index c90774f..c74ead5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog
 
+## [1.31.5] — 2026-04-22
+
+- feat: add check_update and update tools with background auto-check
+- release: v1.31.4
+- fix: update all scripts for correctness and consistency
+- release: v1.31.3
+- docs: clean up public repo — remove IDE files, fix stale refs
+- release: v1.31.2
+- refactor: reduce handler boilerplate in analysis and experts modules
+- fix: registryType mcpbPackageType → mcpb
+
+
 ## [1.31.4] — 2026-04-22
 
 - fix: update all scripts for correctness and consistency
diff --git a/Cargo.lock b/Cargo.lock
index 9544cdd..6038a7f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -481,7 +481,7 @@ dependencies = [
 
 [[package]]
 name = "mt5-quant"
-version = "1.31.4"
+version = "1.31.5"
 dependencies = [
  "anyhow",
  "base64",
diff --git a/Cargo.toml b/Cargo.toml
index a373240..5c31163 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mt5-quant"
-version = "1.31.4"
+version = "1.31.5"
 edition = "2021"
 description = "MT5-Quant MCP Server - Exposes MT5 backtest and optimization tools via MCP"
 authors = ["masdevid <masdevid@example.com>"]
diff --git a/server.json b/server.json
index b203f53..04443f8 100644
--- a/server.json
+++ b/server.json
@@ -7,13 +7,13 @@
     "url": "https://github.com/masdevid/mt5-quant",
     "source": "github"
   },
-  "version": "1.31.4",
+  "version": "1.31.5",
   "packages": [
     {
       "registryType": "mcpb",
-      "version": "1.31.4",
-      "identifier": "https://github.com/masdevid/mt5-quant/releases/download/v1.31.4/mcp-mt5-quant-macos-arm64.tar.gz",
-      "fileSha256": "d52d48a942b7694304eaaa476e1be9998c1facc8366667f1da3c23d700fd19a7",
+      "version": "1.31.5",
+      "identifier": "https://github.com/masdevid/mt5-quant/releases/download/v1.31.5/mcp-mt5-quant-macos-arm64.tar.gz",
+      "fileSha256": "TBD_CI_WILL_UPDATE",
       "transport": {
         "type": "stdio"
       },