diff --git a/CHANGELOG b/CHANGELOG
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,11 @@
 # Changelog
 
+- 0.8.2.1 (2018-04-09)
+    * Bump `QuickCheck` dependency to allow 2.11
+    * Bump `tasty` dependency to allow 1.0
+    * Bump `tasty-hunit` dependency to allow 0.10
+    * Bump `tasty-quickcheck` dependency to allow 0.10
+
 - 0.8.2.0 (2018-01-09)
     * Define `ToMarkup` instance for `Natural`.
 
diff --git a/blaze-markup.cabal b/blaze-markup.cabal
--- a/blaze-markup.cabal
+++ b/blaze-markup.cabal
@@ -1,5 +1,5 @@
 Name:         blaze-markup
-Version:      0.8.2.0
+Version:      0.8.2.1
 Homepage:     http://jaspervdj.be/blaze
 Bug-Reports:  http://github.com/jaspervdj/blaze-markup/issues
 License:      BSD3
@@ -17,6 +17,8 @@
 
 Build-type:    Simple
 Cabal-version: >= 1.8
+Tested-with:   GHC == 7.8.4, GHC == 7.10.3,
+               GHC == 8.0.2, GHC == 8.2.2, GHC == 8.4.1
 
 Extra-source-files:
   CHANGELOG
@@ -34,7 +36,7 @@
     Text.Blaze.Renderer.Utf8
 
   Build-depends:
-    base          >= 4    && < 5,
+    base          >= 4    && < 4.12,
     blaze-builder >= 0.3  && < 0.5,
     text          >= 0.10 && < 1.3,
     bytestring    >= 0.9  && < 0.11
@@ -57,13 +59,13 @@
 
   Build-depends:
     HUnit            >= 1.2  && < 1.7,
-    QuickCheck       >= 2.4  && < 2.11,
+    QuickCheck       >= 2.7  && < 2.12,
     containers       >= 0.3  && < 0.6,
-    tasty            >= 0.11 && < 0.12,
-    tasty-hunit      >= 0.9  && < 0.10,
-    tasty-quickcheck >= 0.8  && < 0.10,
+    tasty            >= 1.0  && < 1.1,
+    tasty-hunit      >= 0.10 && < 0.11,
+    tasty-quickcheck >= 0.10 && < 0.11,
     -- Copied from regular dependencies...
-    base          >= 4    && < 5,
+    base          >= 4    && < 4.12,
     blaze-builder >= 0.3  && < 0.5,
     text          >= 0.10 && < 1.3,
     bytestring    >= 0.9  && < 0.11