diff --git a/Changelog.md b/Changelog.md
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,3 +1,10 @@
+# 1.1.2
+
+## Other Changes
+
+* Bump upper bound of `tasty`.
+
+
 # 1.1.1
 
 ## Other Changes
diff --git a/Test/Tasty/Runners/AntXML.hs b/Test/Tasty/Runners/AntXML.hs
--- a/Test/Tasty/Runners/AntXML.hs
+++ b/Test/Tasty/Runners/AntXML.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE DeriveDataTypeable #-}
 {-# LANGUAGE DeriveGeneric #-}
 {-# LANGUAGE FlexibleContexts #-}
@@ -55,7 +56,12 @@
 
 instance Monoid Summary where
   mempty = memptydefault
+#if !MIN_VERSION_base(4,11,0)
   mappend = mappenddefault
+#else
+instance Semigroup Summary where
+  (<>) = mappenddefault
+#endif
 
 
 --------------------------------------------------------------------------------
diff --git a/tasty-ant-xml.cabal b/tasty-ant-xml.cabal
--- a/tasty-ant-xml.cabal
+++ b/tasty-ant-xml.cabal
@@ -1,5 +1,5 @@
 name: tasty-ant-xml
-version: 1.1.1
+version: 1.1.2
 synopsis: Render tasty output to XML for Jenkins
 description: A tasty ingredient to output test results in XML, using the Ant schema. This XML can be consumed by the Jenkins continuous integration framework.
 homepage: http://github.com/ocharles/tasty-ant-xml
@@ -23,7 +23,7 @@
     mtl >= 2.1.2,
     stm >= 2.4.2,
     tagged >= 0.7,
-    tasty >= 0.10 && < 0.13,
+    tasty >= 0.10 && < 1.0,
     transformers >= 0.3.0.0,
     directory >= 1.2.3.0,
     filepath >= 1.0.0,