diff --git a/CHANGELOG b/CHANGELOG
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,9 @@
+2.10.4 (Changes from 2.10.3)
+=========================
+* Reset comonad depenency to 4.0
+* Reset semigroupoids dependency to 4.0
+* Remove comonad-transformers dependency
+
 2.10.3 (Changes from 2.10.2)
 =========================
 * Bump dependency on comonad
diff --git a/data-lens.cabal b/data-lens.cabal
--- a/data-lens.cabal
+++ b/data-lens.cabal
@@ -1,6 +1,6 @@
 name:               data-lens
 category:           Control, Comonads
-version:            2.10.3
+version:            2.10.4
 license:            BSD3
 cabal-version:      >= 1.6
 license-file:       LICENSE
@@ -25,10 +25,9 @@
 library
   build-depends:
     base                 >= 4       && < 5,
-    comonad              >= 1.1.1.3 && < 3.2,
-    comonad-transformers >= 2.0     && < 3.2,
+    comonad              >= 4.0     && < 4.1,
     containers           >= 0.3     && < 0.6,
-    semigroupoids        >= 1.2.4   && < 3.2,
+    semigroupoids        >= 4.0     && < 4.1,
     transformers         >= 0.2.0   && < 0.4
 
   if flag(DeriveDataTypeable)