diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 # Revision history for net-spider
 
+## 0.4.3.5  -- 2020-12-30
+
+* Confirm test with `greskell-1.2.0.0`.
+
 ## 0.4.3.4  -- 2020-06-21
 
 * Confirm test with `base-4.13` and `base-4.14`.
diff --git a/net-spider.cabal b/net-spider.cabal
--- a/net-spider.cabal
+++ b/net-spider.cabal
@@ -1,5 +1,5 @@
 name:                   net-spider
-version:                0.4.3.4
+version:                0.4.3.5
 author:                 Toshio Ito <debug.ito@gmail.com>
 maintainer:             Toshio Ito <debug.ito@gmail.com>
 license:                BSD3
@@ -57,7 +57,7 @@
                         time >=1.8.0.2 && <1.10,
                         vector >=0.12.0.1 && <0.13,
                         greskell-websocket >=0.1.1 && <0.2,
-                        greskell >=1.1.0.0 && <1.2,
+                        greskell >=1.1.0.0 && <1.3,
                         aeson >=1.2.4 && <1.6,
                         safe-exceptions >=0.1.6 && <0.2,
                         text >=1.2.2.2 && <1.3,