diff --git a/composer.json b/composer.json
index 18cb87a..8ca44ea 100644
--- a/composer.json
+++ b/composer.json
@@ -16,8 +16,8 @@
     "require": {
         "php": ">=8.1",
         "ext-redis": "*",
-        "launchdarkly/server-sdk": ">=6.4.0 <7.0.0",
-        "psr/log": "^3.0"
+        "launchdarkly/server-sdk": ">=6.4.0 <7.0.0 || fix/psr-cache",
+        "psr/log": "*"
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^3.68",
@@ -25,6 +25,12 @@
         "phpunit/phpunit": "^9",
         "vimeo/psalm": "^5"
     },
+      "repositories": [
+    {
+      "type": "git",
+      "url": "https://github.com/cb-freddysart/php-server-sdk.git"
+    }
+  ],
     "autoload": {
         "psr-4": {
             "LaunchDarkly\\": "src/LaunchDarkly/"