diff --git a/gloss-examples.cabal b/gloss-examples.cabal
--- a/gloss-examples.cabal
+++ b/gloss-examples.cabal
@@ -1,5 +1,5 @@
 Name:                gloss-examples
-Version:             1.7.6.2
+Version:             1.7.7.1
 License:             MIT
 License-file:        LICENSE
 Author:              Ben Lippmeier
@@ -189,7 +189,7 @@
   Build-depends:
         base           == 4.*,
         gloss          == 1.7.*,
-        gloss-raster   == 1.7.6.*
+        gloss-raster   == 1.7.7.*
   Main-is:        Main.hs
   hs-source-dirs: raster/Crystal
   ghc-options:    
@@ -207,7 +207,7 @@
   Build-depends:
         base           == 4.*,
         gloss          == 1.7.*,
-        gloss-raster   == 1.7.6.*
+        gloss-raster   == 1.7.7.*
   Main-is:        Main.hs
   other-modules:  Light Object Trace Vec3 World
   hs-source-dirs: raster/Ray
@@ -223,7 +223,7 @@
   Build-depends:
         base           == 4.*,
         gloss          == 1.7.*,
-        gloss-raster   == 1.7.6.*
+        gloss-raster   == 1.7.7.*
   Main-is:        Main.hs
   hs-source-dirs: raster/Pulse
   ghc-options:
@@ -238,7 +238,7 @@
   Build-depends:
         base           == 4.*,
         gloss          == 1.7.*,
-        gloss-raster   == 1.7.6.*,
+        gloss-raster   == 1.7.7.*,
         vector         == 0.9.*,
         ghc-prim       >= 0.2 && < 0.4
   Main-is:        Main.hs