diff --git a/composer.lock b/composer.lock
index 10aaa10d7ae4aa5418e523513b94681a20f9a13c..d1a3af00e291783215b4a109c6582008e6a7c6e7 100644
--- a/composer.lock
+++ b/composer.lock
@@ -999,16 +999,16 @@
         },
         {
             "name": "paragonie/random_compat",
-            "version": "v2.0.2",
+            "version": "1.1.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/paragonie/random_compat.git",
-                "reference": "088c04e2f261c33bed6ca5245491cfca69195ccf"
+                "reference": "a208865a5aeffc2dbbef2a5b3409887272d93f32"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/paragonie/random_compat/zipball/088c04e2f261c33bed6ca5245491cfca69195ccf",
-                "reference": "088c04e2f261c33bed6ca5245491cfca69195ccf",
+                "url": "https://api.github.com/repos/paragonie/random_compat/zipball/a208865a5aeffc2dbbef2a5b3409887272d93f32",
+                "reference": "a208865a5aeffc2dbbef2a5b3409887272d93f32",
                 "shasum": ""
             },
             "require": {
@@ -1043,7 +1043,7 @@
                 "pseudorandom",
                 "random"
             ],
-            "time": "2016-04-03 06:00:07"
+            "time": "2015-12-01 02:52:15"
         },
         {
             "name": "psr/http-message",
diff --git a/core/composer.json b/core/composer.json
index ba488e5d2e9760299b8f5f582279f0256cc86ca0..53ab8fa68aa36c37844cfadd3063752a0f46dc6a 100644
--- a/core/composer.json
+++ b/core/composer.json
@@ -31,7 +31,7 @@
         "symfony/psr-http-message-bridge": "v0.2",
         "zendframework/zend-diactoros": "~1.1",
         "composer/semver": "~1.0",
-        "paragonie/random_compat": "^1.0|^2.0",
+        "paragonie/random_compat": "~1.0",
         "asm89/stack-cors": "~1.0"
     },
     "require-dev": {