diff --git a/CHANGELOG.md b/CHANGELOG.md
index 034337497..77d5431d3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -57,6 +57,10 @@
   * Fixed suggest output being very spammy, it now is only one line long and shows more rarely
   * Fixed conflict rules like e.g. >=5 from matching dev-master, as it is not normalized to 9999999-dev internally anymore
 
+### [1.10.12] 2020-09-08
+
+  * Fixed regressions with old version validation
+
 ### [1.10.11] 2020-09-08
 
   * Fixed more PHP 8 compatibility issues
@@ -947,6 +951,7 @@
 [2.0.0-alpha3]: https://github.com/composer/composer/compare/2.0.0-alpha2...2.0.0-alpha3
 [2.0.0-alpha2]: https://github.com/composer/composer/compare/2.0.0-alpha1...2.0.0-alpha2
 [2.0.0-alpha1]: https://github.com/composer/composer/compare/1.10.7...2.0.0-alpha1
+[1.10.12]: https://github.com/composer/composer/compare/1.10.11...1.10.12
 [1.10.11]: https://github.com/composer/composer/compare/1.10.10...1.10.11
 [1.10.10]: https://github.com/composer/composer/compare/1.10.9...1.10.10
 [1.10.9]: https://github.com/composer/composer/compare/1.10.8...1.10.9
diff --git a/composer.lock b/composer.lock
index 587124a12..94cf637d9 100644
--- a/composer.lock
+++ b/composer.lock
@@ -83,16 +83,16 @@
         },
         {
             "name": "composer/semver",
-            "version": "3.0.1",
+            "version": "3.1.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/composer/semver.git",
-                "reference": "c6e35eb8251125bfdd1c812f379da0dc89814df1"
+                "reference": "c64053b1543d7bc054883f0a78a86c4242ae315d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/composer/semver/zipball/c6e35eb8251125bfdd1c812f379da0dc89814df1",
-                "reference": "c6e35eb8251125bfdd1c812f379da0dc89814df1",
+                "url": "https://api.github.com/repos/composer/semver/zipball/c64053b1543d7bc054883f0a78a86c4242ae315d",
+                "reference": "c64053b1543d7bc054883f0a78a86c4242ae315d",
                 "shasum": ""
             },
             "require": {
@@ -144,7 +144,7 @@
             "support": {
                 "irc": "irc://irc.freenode.org/composer",
                 "issues": "https://github.com/composer/semver/issues",
-                "source": "https://github.com/composer/semver/tree/3.0.1"
+                "source": "https://github.com/composer/semver/tree/main"
             },
             "funding": [
                 {
@@ -160,7 +160,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2020-09-08T14:25:42+00:00"
+            "time": "2020-09-08T20:59:47+00:00"
         },
         {
             "name": "composer/spdx-licenses",