diff --git a/snap-server.cabal b/snap-server.cabal
--- a/snap-server.cabal
+++ b/snap-server.cabal
@@ -1,5 +1,5 @@
 name:           snap-server
-version:        0.5.1.1
+version:        0.5.1.2
 synopsis:       A fast, iteratee-based, epoll-enabled web server for the Snap Framework
 description:
   Snap is a simple and fast web development framework and server written in
@@ -100,7 +100,7 @@
 
   build-depends:
     array >= 0.2 && <0.4,
-    attoparsec >= 0.8.1 && < 0.9,
+    attoparsec >= 0.8.1 && < 0.10,
     attoparsec-enumerator >= 0.2.0.1 && < 0.3,
     base >= 4 && < 5,
     binary >=0.5 && <0.6,
@@ -118,7 +118,7 @@
     murmur-hash >= 0.1 && < 0.2,
     network >= 2.3 && <2.4,
     old-locale,
-    snap-core >= 0.5.1 && <0.6,
+    snap-core >= 0.5.1.4 && <0.6,
     template-haskell,
     text >= 0.11 && <0.12,
     time,
diff --git a/test/snap-server-testsuite.cabal b/test/snap-server-testsuite.cabal
--- a/test/snap-server-testsuite.cabal
+++ b/test/snap-server-testsuite.cabal
@@ -23,7 +23,7 @@
   build-depends:
     QuickCheck >= 2,
     array >= 0.3 && <0.4,
-    attoparsec >= 0.8.1 && < 0.9,
+    attoparsec >= 0.8.1 && < 0.10,
     attoparsec-enumerator >= 0.2.0.1 && < 0.3,
     base >= 4 && < 5,
     base16-bytestring == 0.1.*,
@@ -38,7 +38,7 @@
     enumerator >= 0.4.7 && <0.5,
     filepath,
     haskell98,
-    http-enumerator >= 0.6.5.3 && <0.7,
+    http-enumerator >= 0.6.5.4 && <0.7,
     HUnit >= 1.2 && < 2,
     monads-fd >= 0.1.0.4 && <0.2,
     murmur-hash >= 0.1 && < 0.2,
@@ -86,7 +86,7 @@
   build-depends:
     QuickCheck >= 2,
     array >= 0.3 && <0.4,
-    attoparsec >= 0.8.1 && < 0.9,
+    attoparsec >= 0.8.1 && < 0.10,
     attoparsec-enumerator >= 0.2.0.1 && < 0.3,
     base >= 4 && < 5,
     base16-bytestring == 0.1.*,
@@ -164,7 +164,7 @@
   build-depends:
     QuickCheck >= 2,
     array >= 0.3 && <0.4,
-    attoparsec >= 0.8.1 && < 0.9,
+    attoparsec >= 0.8.1 && < 0.10,
     attoparsec-enumerator >= 0.2.0.1 && < 0.3,
     base >= 4 && < 5,
     binary >= 0.5 && < 0.6,
@@ -231,5 +231,5 @@
   build-depends:
     base >= 4 && < 5,
     network == 2.3.*,
-    http-enumerator >= 0.6.5.3 && <0.7,
+    http-enumerator >= 0.6.5.4 && <0.7,
     criterion >= 0.5 && <0.6