diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,6 @@
+0.5
+	* Allow older versions of random.
+
 0.4
 	* Avoid exporting new RandomGen methods from System.Random.TF .
 
diff --git a/tf-random.cabal b/tf-random.cabal
--- a/tf-random.cabal
+++ b/tf-random.cabal
@@ -10,7 +10,7 @@
 -- PVP summary:      +-+------- breaking API changes
 --                   | | +----- non-breaking API additions
 --                   | | | +--- code changes with no API change
-version:             0.4
+version:             0.5
 
 -- A short (one-line) description of the package.
 synopsis:            High-quality splittable pseudorandom number generator
@@ -89,6 +89,6 @@
   build-depends:
     base >= 4.2 && < 5,
     primitive >= 0.3,
-    random >= 1.0.1.1,
+    random,
     time