diff --git a/README.SNAP.md b/README.SNAP.md
--- a/README.SNAP.md
+++ b/README.SNAP.md
@@ -9,7 +9,7 @@
 Snap Status and Features
 ------------------------
 
-This developer prerelease contains only the Snap core system, namely:
+The Snap core system consists of:
 
   * a high-speed HTTP server, with an optional high-concurrency backend using
     the [libev](http://software.schmorp.de/pkg/libev.html) library
diff --git a/snap.cabal b/snap.cabal
--- a/snap.cabal
+++ b/snap.cabal
@@ -1,5 +1,5 @@
 name:           snap
-version:        0.4.1
+version:        0.4.2
 synopsis:       Snap: A Haskell Web Framework: project starter executable and glue code library
 description:    Snap Framework project starter executable and glue code library
 license:        BSD3
@@ -55,13 +55,13 @@
 
   build-depends:
     base >= 4 && < 5,
-    blaze-builder >= 0.2.1.4 && <0.3,
+    blaze-builder >= 0.2.1.4 && <0.4,
     bytestring >= 0.9.1 && < 0.10,
     directory >= 1.0 && < 1.2,
     enumerator == 0.4.*,
     filepath >= 1.1 && <1.3,
     MonadCatchIO-transformers >= 0.2.1 && < 0.3,
-    snap-core >= 0.4.1 && <0.5,
+    snap-core == 0.4.*,
     heist >= 0.5 && < 0.6,
     hint >= 0.3.3.1 && < 0.4,
     template-haskell >= 2.3 && < 2.6,
@@ -100,8 +100,8 @@
     mtl >= 2,
     old-locale,
     old-time,
-    snap-core >= 0.4.1 && <0.5,
-    snap-server >= 0.4.1 && <0.5,
+    snap-core >= 0.4 && <0.5,
+    snap-server >= 0.4 && <0.5,
     template-haskell >= 2.3 && < 2.6,
     text >= 0.11 && <0.12,
     time,