diff --git a/Changelog.md b/Changelog.md
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,3 +1,7 @@
+# 1.2.11
+
+* Dropped dependency on `transformers`.
+
 # 1.2.10
 
 * Increased upper-bound on `snap`.
diff --git a/snap-cors.cabal b/snap-cors.cabal
--- a/snap-cors.cabal
+++ b/snap-cors.cabal
@@ -1,5 +1,5 @@
 name:                snap-cors
-version:             1.2.10
+version:             1.2.11
 synopsis:            Add CORS headers to Snap applications
 description:
   Add CORS (cross-origin resource sharing) headers to Snap applications. This
@@ -43,7 +43,6 @@
     hashable >= 1.1 && <1.3,
     snap >= 0.13 && < 1.1,
     text >= 0.11 && < 1.3,
-    transformers >= 0.3 && < 0.5,
     unordered-containers >= 0.2 && <0.3
   ghc-options: -Wall
   if flag(network-uri)