diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5fbbba7f2..41ce16875 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -140,6 +140,10 @@
   * 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
 
+### [1.10.18] 2020-12-03
+
+  * Allow installation on PHP 8.0
+
 ### [1.10.17] 2020-10-30
 
   * Fixed Bitbucket API authentication issue
@@ -1071,6 +1075,7 @@
 [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
+[1.10.18]: https://github.com/composer/composer/compare/1.10.17...1.10.18
 [1.10.17]: https://github.com/composer/composer/compare/1.10.16...1.10.17
 [1.10.16]: https://github.com/composer/composer/compare/1.10.15...1.10.16
 [1.10.15]: https://github.com/composer/composer/compare/1.10.14...1.10.15
diff --git a/composer.lock b/composer.lock
index 9c18e277e..a5e510d4d 100644
--- a/composer.lock
+++ b/composer.lock
@@ -164,16 +164,16 @@
         },
         {
             "name": "composer/spdx-licenses",
-            "version": "1.5.4",
+            "version": "1.5.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/composer/spdx-licenses.git",
-                "reference": "6946f785871e2314c60b4524851f3702ea4f2223"
+                "reference": "de30328a7af8680efdc03e396aad24befd513200"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/composer/spdx-licenses/zipball/6946f785871e2314c60b4524851f3702ea4f2223",
-                "reference": "6946f785871e2314c60b4524851f3702ea4f2223",
+                "url": "https://api.github.com/repos/composer/spdx-licenses/zipball/de30328a7af8680efdc03e396aad24befd513200",
+                "reference": "de30328a7af8680efdc03e396aad24befd513200",
                 "shasum": ""
             },
             "require": {
@@ -185,7 +185,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.x-dev"
+                    "dev-main": "1.x-dev"
                 }
             },
             "autoload": {
@@ -223,7 +223,7 @@
             "support": {
                 "irc": "irc://irc.freenode.org/composer",
                 "issues": "https://github.com/composer/spdx-licenses/issues",
-                "source": "https://github.com/composer/spdx-licenses/tree/1.5.4"
+                "source": "https://github.com/composer/spdx-licenses/tree/1.5.5"
             },
             "funding": [
                 {
@@ -239,7 +239,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2020-07-15T15:35:07+00:00"
+            "time": "2020-12-03T16:04:16+00:00"
         },
         {
             "name": "composer/xdebug-handler",
diff --git a/src/Composer/Package/Loader/ArrayLoader.php b/src/Composer/Package/Loader/ArrayLoader.php
index 9e136eef0..f529eb625 100644
--- a/src/Composer/Package/Loader/ArrayLoader.php
+++ b/src/Composer/Package/Loader/ArrayLoader.php
@@ -114,10 +114,13 @@ class ArrayLoader implements LoaderInterface
         }
 
         if (isset($config['bin'])) {
-            foreach ((array) $config['bin'] as $key => $bin) {
+            if (!\is_array($config['bin'])) {
+                $config['bin'] = array($config['bin']);
+            }
+            foreach ($config['bin'] as $key => $bin) {
                 $config['bin'][$key] = ltrim($bin, '/');
             }
-            $package->setBinaries((array) $config['bin']);
+            $package->setBinaries($config['bin']);
         }
 
         if (isset($config['installation-source'])) {