diff --git a/pkgs/applications/networking/browsers/chromium/plugins.nix b/pkgs/applications/networking/browsers/chromium/plugins.nix
index 5749689bfb1f..bac4a361a19b 100644
--- a/pkgs/applications/networking/browsers/chromium/plugins.nix
+++ b/pkgs/applications/networking/browsers/chromium/plugins.nix
@@ -98,12 +98,12 @@ let
 
   flash = stdenv.mkDerivation rec {
     name = "flashplayer-ppapi-${version}";
-    version = "28.0.0.137";
+    version = "28.0.0.161";
 
     src = fetchzip {
       url = "https://fpdownload.adobe.com/pub/flashplayer/pdc/"
           + "${version}/flash_player_ppapi_linux.x86_64.tar.gz";
-      sha256 = "1776jjv2abzrwhgff8c75wm9dh3gfsihv9c5vzllhdys21zvravy";
+      sha256 = "0xhfr2mqmg71dxnsq4x716hzkryj2dmmlzgyi8hf7s999p7x8djw";
       stripRoot = false;
     };
 
diff --git a/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer/default.nix b/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer/default.nix
index 614f55d01d6d..dc9c33585526 100644
--- a/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer/default.nix
+++ b/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer/default.nix
@@ -73,7 +73,7 @@ let
 in
 stdenv.mkDerivation rec {
   name = "flashplayer-${version}";
-  version = "28.0.0.137";
+  version = "28.0.0.161";
 
   src = fetchurl {
     url =
@@ -84,14 +84,14 @@ stdenv.mkDerivation rec {
     sha256 =
       if debug then
         if arch == "x86_64" then
-          "1hj3sfrspdkhq967fmnpgamgiq90k263cqfas94gp3dzslmkingw"
+          "0dsgq39c2d0kkdcd9j4nddqn3qiq5pvm2r67ji4m4wyv9chn518m"
         else
-          "1v4k6hzngm23xwxnh6ngplp2m0ga480sbcm668bpcj61krmi6xy4"
+          "0x26qi9qr01rppji5l4nwvmrhmq6qy83dsppbb7jqjmgyvknq5jd"
       else
         if arch == "x86_64" then
-          "0ijmrk6262a1xcf98g94vdlqxnik9f7igjy08j3a2i4b5bikq479"
+          "1s62gx2a9q962w3gc847x2xwlzkq4dkzbmvf74x5k5c2k2l9hhg0"
         else
-          "10a17dba4zy29padvi3fnv2s8v71q698ffqjp8ggsla42pjyhvkh";
+          "1m5pcgz2w9f3jkm3hpvysc8ap20y458xnba7j51d7h7fjy6md89x";
   };
 
   nativeBuildInputs = [ unzip ];
diff --git a/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer/standalone.nix b/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer/standalone.nix
index d5c4f993d8ba..4528dd70cbd3 100644
--- a/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer/standalone.nix
+++ b/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer/standalone.nix
@@ -55,7 +55,7 @@ let
 in
 stdenv.mkDerivation rec {
   name = "flashplayer-standalone-${version}";
-  version = "28.0.0.137";
+  version = "28.0.0.161";
 
   src = fetchurl {
     url =
@@ -65,9 +65,9 @@ stdenv.mkDerivation rec {
         "https://fpdownload.macromedia.com/pub/flashplayer/updaters/28/flash_player_sa_linux.x86_64.tar.gz";
     sha256 =
       if debug then
-        "0xr3hf828sm0xdnmk2kavxmvzc6m0mw369khrxyfwrbxvdsibwn8"
+        "0934vs3c51fjz9pr846wg9xn7h2qybswayfkhz0pnzcfnng2rrf1"
       else
-        "1wr0avjpshrj51svb1sfnshz39xxla1brqs8pbcgfgyqjh350rgn";
+        "0pwi7pbfldiqiwc7yfy7psyr93679r025vjxmiybs2ap69vly4v0";
   };
 
   nativeBuildInputs = [ unzip ];