diff --git a/reducers.cabal b/reducers.cabal
--- a/reducers.cabal
+++ b/reducers.cabal
@@ -1,6 +1,6 @@
 name:          reducers
 category:      Data, Math, Numerical, Semigroups
-version:       3.11
+version:       3.12
 license:       BSD3
 cabal-version: >= 1.6
 license-file:  LICENSE
@@ -32,7 +32,7 @@
     hashable               >= 1.1.2.1  && < 1.3,
     text                   >= 0.11.1.5 && < 1.3,
     unordered-containers   >= 0.1.4    && < 0.3,
-    semigroups             >= 0.8.3.1  && < 1,
+    semigroups             >= 0.17     && < 1,
     semigroupoids          >= 4        && < 6
 
   exposed-modules:
diff --git a/src/Data/Semigroup/Reducer.hs b/src/Data/Semigroup/Reducer.hs
--- a/src/Data/Semigroup/Reducer.hs
+++ b/src/Data/Semigroup/Reducer.hs
@@ -118,7 +118,7 @@
 
 instance Semigroup Count where
   Count a <> Count b = Count (a + b)
-  times1p n (Count a) = Count $ (fromIntegral n + 1) * a
+  stimes n (Count a) = Count $ fromIntegral n * a
 
 instance Monoid Count where
   mempty = Count 0