diff --git a/CHANGELOG-1.x.md b/CHANGELOG-1.x.md
index 3a848b8..cca15ee 100644
--- a/CHANGELOG-1.x.md
+++ b/CHANGELOG-1.x.md
@@ -2,6 +2,14 @@
 
 This changelog references the relevant changes (bug and security fixes) done to `laravie/codex-security`.
 
+## 1.0.1
+
+Released: 2019-04-05
+
+### Changes
+
+* Validate `$signed` on `Laravie\Codex\Security\TimeLimitSignature\Verify` using regular expression.
+
 ## 1.0.0
 
 Released: 2019-04-02