diff --git a/CHANGELOG.md b/CHANGELOG.md
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@@ -1,3 +1,7 @@
+# v3.1.1
+- [#1142](https://github.com/xmrig/xmrig/pull/1142) RandomX hashrate improved by 0.5-1.5% depending on variant and CPU.
+- [#1133](https://github.com/xmrig/xmrig/issues/1133) Fixed syslog regression.
+
 # v3.1.0
 - [#1107](https://github.com/xmrig/xmrig/issues/1107#issuecomment-522235892) Added Argon2 algorithm family: `argon2/chukwa` and `argon2/wrkz`.