diff --git a/Changelog.md b/Changelog.md
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,3 +1,10 @@
+## 1.2.17
+
+### Other Changes
+
+* Increased the upper-bound of `aeson` to < 1.3.
+* Increased the upper-bound of `websockets` to < 0.13.
+
 ## 1.2.16
 
 ### Other Changes
diff --git a/engine-io.cabal b/engine-io.cabal
--- a/engine-io.cabal
+++ b/engine-io.cabal
@@ -1,5 +1,5 @@
 name: engine-io
-version: 1.2.16
+version: 1.2.17
 synopsis: A Haskell implementation of Engine.IO
 homepage: http://github.com/ocharles/engine.io
 license: BSD3
@@ -30,7 +30,7 @@
     aeson >=0.7 && <1.3,
     async >=2.0 && <2.2,
     attoparsec >=0.11 && <0.14,
-    base >=4.6 && <4.10,
+    base >=4.6 && <4.11,
     base64-bytestring >=1.0 && <1.1,
     bytestring >=0.10.2.0 && <0.11,
     either >= 3.4 && <4.5,
@@ -43,7 +43,7 @@
     transformers >=0.2 && <0.6,
     unordered-containers >=0.2 && <0.3,
     vector >=0.10 && <0.13,
-    websockets >=0.8 && <0.11
+    websockets >=0.8 && <0.13
 
   hs-source-dirs: src
   default-language: Haskell2010