diff --git a/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer-11/builder.sh b/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer-11/builder.sh
new file mode 100644
index 000000000000..4db487f5c51c
--- /dev/null
+++ b/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer-11/builder.sh
@@ -0,0 +1,23 @@
+source $stdenv/setup
+
+dontStrip=1
+dontPatchELF=1
+sourceRoot=$TMPDIR
+
+unpackPhase() {
+    tar xvzf $src;
+    for a in *; do
+	if [ -d $a ]; then
+		cd $a
+		break
+	fi
+    done
+}
+
+installPhase() {
+    ensureDir $out/lib/mozilla/plugins
+    cp -pv libflashplayer.so $out/lib/mozilla/plugins
+    patchelf --set-rpath "$rpath" $out/lib/mozilla/plugins/libflashplayer.so
+}
+
+genericBuild
diff --git a/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer-11/default.nix b/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer-11/default.nix
new file mode 100644
index 000000000000..260edd360c65
--- /dev/null
+++ b/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer-11/default.nix
@@ -0,0 +1,88 @@
+{ stdenv
+, fetchurl
+, zlib
+, alsaLib
+, curl
+, nss
+, nspr
+, fontconfig
+, freetype
+, expat
+, libX11
+, libXext
+, libXrender
+, libXt
+, gtk 
+, glib
+, pango
+, cairo
+, atk
+, gdk_pixbuf
+, debug ? false
+
+/* you have to add ~/mm.cfg :
+
+    TraceOutputFileEnable=1
+    ErrorReportingEnable=1
+    MaxWarnings=1
+
+  in order to read the flash trace at ~/.macromedia/Flash_Player/Logs/flashlog.txt
+  Then FlashBug (a FireFox plugin) shows the log as well
+*/
+
+}:
+
+let
+
+  src =
+    if stdenv.system == "x86_64-linux" then
+      if debug then
+        # no plans to provide a x86_64 version:
+        # http://labs.adobe.com/technologies/flashplayer10/faq.html
+        throw "no x86_64 debugging version available"
+      else {
+        # -> http://labs.adobe.com/downloads/flashplayer10.html
+        version = "11.1.102.55";
+        url = http://fpdownload.macromedia.com/get/flashplayer/pdc/11.1.102.55/install_flash_player_11_linux.x86_64.tar.gz;
+        sha256 = "09swldv174z23pnixy9fxkw084qkl3bbrxfpf159fbjdgvwihn1l";
+      }
+    else if stdenv.system == "i686-linux" then
+      if debug then {
+        # The debug version also contains a player
+        version = "11.1";
+        url = http://fpdownload.macromedia.com/pub/flashplayer/updaters/11/flashplayer_11_plugin_debug.i386.tar.gz;
+        sha256 = "1z3649lv9sh7jnwl8d90a293nkaswagj2ynhsr4xmwiy7c0jz2lk";
+      } else {
+        version = "11.1.102.55";
+        url = "http://fpdownload.macromedia.com/get/flashplayer/pdc/11.1.102.55/install_flash_player_11_linux.i386.tar.gz";
+        sha256 = "08zdnl06lqyk2k3yq4lgphqd3ci2267448mghlv1p0hjrdq253k7";
+      }
+    else throw "Flash Player is not supported on this platform";
+
+in
+
+stdenv.mkDerivation {
+  name = "flashplayer-${src.version}";
+
+  builder = ./builder.sh;
+  
+  src = fetchurl { inherit (src) url sha256; };
+
+  inherit zlib alsaLib;
+
+  passthru = {
+    mozillaPlugin = "/lib/mozilla/plugins";
+  };
+
+  rpath = stdenv.lib.makeLibraryPath
+    [ zlib alsaLib curl nss nspr fontconfig freetype expat libX11
+      libXext libXrender libXt gtk glib pango atk cairo gdk_pixbuf
+    ];
+
+  buildPhase = ":";
+
+  meta = {
+    description = "Adobe Flash Player browser plugin";
+    homepage = http://www.adobe.com/products/flashplayer/;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index da73e7dc12b5..82b89d0c6581 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6680,7 +6680,7 @@ let
 
   flac = callPackage ../applications/audio/flac { };
 
-  flashplayer = flashplayer10;
+  flashplayer = flashplayer11;
 
   flashplayer9 = callPackage ../applications/networking/browsers/mozilla-plugins/flashplayer-9 {
     inherit (gtkLibs) atk;
@@ -6691,6 +6691,11 @@ let
     debug = getConfig ["flashplayer" "debug"] false;
   };
 
+  flashplayer11 = callPackage ../applications/networking/browsers/mozilla-plugins/flashplayer-11 {
+    inherit (gtkLibs) atk gdk_pixbuf;
+    debug = getConfig ["flashplayer" "debug"] false;
+  };
+
   freecad = callPackage ../applications/graphics/freecad {
     boost = boost146;
   };