diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 # Revision history for wild-bind
 
+## 0.1.2.8  -- 2021-11-23
+
+* Confirm test with `semigroups-0.20`.
+
 ## 0.1.2.7  -- 2021-03-25
 
 * Confirm test with `base-4.15.0.0`
diff --git a/wild-bind.cabal b/wild-bind.cabal
--- a/wild-bind.cabal
+++ b/wild-bind.cabal
@@ -1,5 +1,5 @@
 name:                   wild-bind
-version:                0.1.2.7
+version:                0.1.2.8
 author:                 Toshio Ito <debug.ito@gmail.com>
 maintainer:             Toshio Ito <debug.ito@gmail.com>
 license:                BSD3
@@ -30,7 +30,7 @@
                         text >=1.2.0 && <1.3,
                         containers >=0.5.0 && <0.7,
                         transformers >=0.3.0 && <0.6,
-                        semigroups >=0.16.2.2 && <0.20
+                        semigroups >=0.16.2.2 && <0.21
 
 -- executable wild-bind
 --   default-language:     Haskell2010