diff --git a/wai-logger.cabal b/wai-logger.cabal
--- a/wai-logger.cabal
+++ b/wai-logger.cabal
@@ -1,5 +1,5 @@
 Name:                   wai-logger
-Version:                2.3.3
+Version:                2.3.4
 Author:                 Kazu Yamamoto <kazu@iij.ad.jp>
 Maintainer:             Kazu Yamamoto <kazu@iij.ad.jp>
 License:                BSD3
@@ -24,7 +24,7 @@
   Build-Depends:        base >= 4 && < 5
                       , byteorder
                       , bytestring
-                      , fast-logger >= 2.4.5
+                      , fast-logger >= 2.4.13
                       , http-types
                       , network
                       , wai >= 2.0.0