diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Revision history for network-run
 
+## 0.4.3
+
+* Using time-manager >= 0.2.
+
 ## 0.4.2
 
 * Using `withHandle` of time-manager.
diff --git a/network-run.cabal b/network-run.cabal
--- a/network-run.cabal
+++ b/network-run.cabal
@@ -1,6 +1,6 @@
 cabal-version:      >=1.10
 name:               network-run
-version:            0.4.2
+version:            0.4.3
 license:            BSD3
 license-file:       LICENSE
 maintainer:         kazu@iij.ad.jp
@@ -27,4 +27,4 @@
         base >=4 && <5,
         bytestring,
         network >=3.2.4,
-        time-manager >=0.1.3 && <0.2
+        time-manager >=0.2 && <0.3