diff --git a/.travis.yml b/.travis.yml
index cf502e0..beccd1e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,7 +6,6 @@ php:
   - 7.0
   - 7.1
   - 7.2
-  - hhvm
 
 before_script:
   - if [ $TRAVIS_PHP_VERSION = '7.0' ]; then composer require satooshi/php-coveralls; fi
diff --git a/composer.json b/composer.json
index 8435dde..a673864 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
     ],
     "require": {
         "php": ">=5.6",
-        "psr/log": "1.0.*"
+        "psr/log": "^1.0"
     },
     "require-dev": {
         "phpunit/phpunit": "4.7.*",
diff --git a/composer.lock b/composer.lock
index 2aadf08..de2f88d 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,20 +4,20 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "0573d77c77b0241edbdb5dffcd0551cf",
+    "content-hash": "d313485f1ad906ea60bae5ef0d3e30e3",
     "packages": [
         {
             "name": "psr/log",
-            "version": "1.0.2",
+            "version": "1.1.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/php-fig/log.git",
-                "reference": "4ebe3a8bf773a19edfe0a84b6585ba3d401b724d"
+                "reference": "6c001f1daafa3a3ac1d8ff69ee4db8e799a654dd"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/php-fig/log/zipball/4ebe3a8bf773a19edfe0a84b6585ba3d401b724d",
-                "reference": "4ebe3a8bf773a19edfe0a84b6585ba3d401b724d",
+                "url": "https://api.github.com/repos/php-fig/log/zipball/6c001f1daafa3a3ac1d8ff69ee4db8e799a654dd",
+                "reference": "6c001f1daafa3a3ac1d8ff69ee4db8e799a654dd",
                 "shasum": ""
             },
             "require": {
@@ -51,7 +51,7 @@
                 "psr",
                 "psr-3"
             ],
-            "time": "2016-10-10T12:19:37+00:00"
+            "time": "2018-11-20T15:27:04+00:00"
         }
     ],
     "packages-dev": [
@@ -692,6 +692,7 @@
                 "mock",
                 "xunit"
             ],
+            "abandoned": true,
             "time": "2015-10-02T06:51:40+00:00"
         },
         {