diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 # ChangeLog for warp
 
+## 3.4.7
+
+* Using time-manager >= 0.2.
+
 ## 3.4.6
 
 * Using `withHandle` of time-manager.
diff --git a/warp.cabal b/warp.cabal
--- a/warp.cabal
+++ b/warp.cabal
@@ -1,6 +1,6 @@
 cabal-version:      >=1.10
 name:               warp
-version:            3.4.6
+version:            3.4.7
 license:            MIT
 license-file:       LICENSE
 maintainer:         michael@snoyman.com
@@ -102,7 +102,7 @@
         stm >=2.3,
         streaming-commons >=0.1.10,
         text,
-        time-manager >=0.1.3 && <0.2,
+        time-manager >=0.2 && <0.3,
         vault >=0.3,
         wai >=3.2.4 && <3.3,
         word8