diff --git a/CHANGELOG b/CHANGELOG
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,10 @@
 # Changelog
 
+- 0.8.2.2 (2018-09-25)
+    * Bump `base` to 4.12
+    * Bump `containers` to 0.6
+    * Bump `tasty` to 1.1
+
 - 0.8.2.1 (2018-04-09)
     * Bump `QuickCheck` dependency to allow 2.11
     * Bump `tasty` dependency to allow 1.0
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:      0.8.2.1
+Version:      0.8.2.2
 Homepage:     http://jaspervdj.be/blaze
 Bug-Reports:  http://github.com/jaspervdj/blaze-markup/issues
 License:      BSD3
@@ -36,7 +36,7 @@
     Text.Blaze.Renderer.Utf8
 
   Build-depends:
-    base          >= 4    && < 4.12,
+    base          >= 4    && < 4.13,
     blaze-builder >= 0.3  && < 0.5,
     text          >= 0.10 && < 1.3,
     bytestring    >= 0.9  && < 0.11
@@ -60,12 +60,12 @@
   Build-depends:
     HUnit            >= 1.2  && < 1.7,
     QuickCheck       >= 2.7  && < 2.12,
-    containers       >= 0.3  && < 0.6,
-    tasty            >= 1.0  && < 1.1,
+    containers       >= 0.3  && < 0.7,
+    tasty            >= 1.0  && < 1.2,
     tasty-hunit      >= 0.10 && < 0.11,
     tasty-quickcheck >= 0.10 && < 0.11,
     -- Copied from regular dependencies...
-    base          >= 4    && < 4.12,
+    base          >= 4    && < 4.13,
     blaze-builder >= 0.3  && < 0.5,
     text          >= 0.10 && < 1.3,
     bytestring    >= 0.9  && < 0.11