diff --git a/heist.cabal b/heist.cabal
--- a/heist.cabal
+++ b/heist.cabal
@@ -1,5 +1,5 @@
 name:           heist
-version:        0.13.0.5
+version:        0.13.0.6
 synopsis:       An Haskell template system supporting both HTML5 and XML.
 description:
     Heist is a powerful template system that supports both HTML5 and XML.
@@ -143,7 +143,7 @@
     attoparsec                 >= 0.10    && < 0.12,
     base                       >= 4       && < 5,
     blaze-builder              >= 0.2     && < 0.4,
-    blaze-html                 >= 0.4     && < 0.7,
+    blaze-html                 >= 0.4     && < 0.8,
     bytestring                 >= 0.9     && < 0.11,
     containers                 >= 0.2     && < 0.6,
     directory                  >= 1.1     && < 1.3,
diff --git a/test/heist-testsuite.cabal b/test/heist-testsuite.cabal
--- a/test/heist-testsuite.cabal
+++ b/test/heist-testsuite.cabal
@@ -18,7 +18,7 @@
     attoparsec                 >= 0.10    && < 0.12,
     base                       >= 4       && < 5,
     blaze-builder              >= 0.2     && < 0.4,
-    blaze-html                 >= 0.4     && < 0.7,
+    blaze-html                 >= 0.4     && < 0.8,
     bytestring                 >= 0.9     && < 0.11,
     containers                 >= 0.2     && < 0.6,
     directory                  >= 1.1     && < 1.3,
@@ -58,7 +58,7 @@
     attoparsec                 >= 0.10    && < 0.12,
     base                       >= 4       && < 5,
     blaze-builder              >= 0.2     && < 0.4,
-    blaze-html                 >= 0.4     && < 0.7,
+    blaze-html                 >= 0.4     && < 0.8,
     bytestring                 >= 0.9     && < 0.11,
     containers                 >= 0.2     && < 0.6,
     directory                  >= 1.1     && < 1.3,