diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,7 @@
+## 1.4.3.10
+
+* Allow blaze-builder 0.4
+
 ## 1.4.3.9
 
 * Scaffold update: minimal scaffold uses yesod-core instead of yesod [yesodweb/yesod-scaffold#65](https://github.com/yesodweb/yesod-scaffold/issues/65)
diff --git a/yesod-bin.cabal b/yesod-bin.cabal
--- a/yesod-bin.cabal
+++ b/yesod-bin.cabal
@@ -1,5 +1,5 @@
 name:            yesod-bin
-version:         1.4.3.9
+version:         1.4.3.10
 license:         MIT
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>
@@ -57,7 +57,7 @@
                      , containers         >= 0.2
                      , attoparsec         >= 0.10
                      , http-types         >= 0.7
-                     , blaze-builder      >= 0.2.1.4      && < 0.4
+                     , blaze-builder      >= 0.2.1.4      && < 0.5
                      , filepath           >= 1.1
                      , process
                      , zlib               >= 0.5          && < 0.6