diff --git a/Changelog.md b/Changelog.md
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,3 +1,7 @@
+## 1.0.1
+
+* Increase upper-bound of engine-io to <1.2
+
 ## 1.0.0
 
 * Initial implementation
diff --git a/socket-io.cabal b/socket-io.cabal
--- a/socket-io.cabal
+++ b/socket-io.cabal
@@ -1,5 +1,5 @@
 name: socket-io
-version: 1.0.0
+version: 1.0.1
 license: BSD3
 license-file: LICENSE
 author: Oliver Charles
@@ -25,7 +25,7 @@
     attoparsec >=0.10 && <0.13,
     base >=4.6 && <4.8,
     bytestring >=0.10 && <0.11,
-    engine-io >= 1 && <1.1,
+    engine-io >= 1 && <1.2,
     mtl >=2.1 && <2.2,
     stm >=2.4 && <2.5,
     text >=0.11 && <1.2,