diff --git a/pkgs/applications/networking/browsers/chromium/plugins.nix b/pkgs/applications/networking/browsers/chromium/plugins.nix
index f7cbf5187320..639425477c9e 100644
--- a/pkgs/applications/networking/browsers/chromium/plugins.nix
+++ b/pkgs/applications/networking/browsers/chromium/plugins.nix
@@ -94,12 +94,12 @@ let
 
   flash = stdenv.mkDerivation rec {
     name = "flashplayer-ppapi-${version}";
-    version = "27.0.0.170";
+    version = "27.0.0.183";
 
     src = fetchzip {
       url = "https://fpdownload.adobe.com/pub/flashplayer/pdc/"
           + "${version}/flash_player_ppapi_linux.x86_64.tar.gz";
-      sha256 = "191gqgpsl5dl39m04mm5bkkbv5m5npg91anbwsvzb29cs2yqq95m";
+      sha256 = "012fhsjfp71vaarjhi3dd4qpb41n4510zmid38hl2hsjz7qrj5aj";
       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 5034053a7342..8e24a3fb619a 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 = "27.0.0.170";
+  version = "27.0.0.183";
 
   src = fetchurl {
     url =
@@ -84,14 +84,14 @@ stdenv.mkDerivation rec {
     sha256 =
       if debug then
         if arch == "x86_64" then
-          "018dx7vpl8ha5c7wlcvh422ll5f0zb9cb77cmylbai84dwb9wrvg"
+          "1qn9hm9c303jihksfc8sb5yjpcasj711s66lhqlqmj5hd0r8bzya"
         else
-          "09qd15khv914xcr9c4vy770mm33bl6szfy334ddb5gv6dh6h2gd8"
+          "19d0d4fn2p2wvh27gshybgc4xpjp0ibgm2gg8g0jzrvbc3cqdz0j"
       else
         if arch == "x86_64" then
-          "0hyc25ygxrp8k0w1xmg5wx1d2l959glc23bjswf30agwlpyn2rwn"
+          "0df8lbbvr226k9z6p2jwxandjb6yy0bqz5kaz79hpj0dwkiqwax1"
         else
-          "1jsq8lgs4jvplwkkb2pngnr7vq9xv9knajk2247qpraq51fq2vd0";
+          "0vs63rlra5ccm24j908zrcxhffjlmvjr6pb2bb7a4fmnfjrk4idf";
   };
 
   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 9d64827df4a9..cf00f303e993 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 = "27.0.0.170";
+  version = "27.0.0.183";
 
   src = fetchurl {
     url =
@@ -65,9 +65,9 @@ stdenv.mkDerivation rec {
         "https://fpdownload.macromedia.com/pub/flashplayer/updaters/27/flash_player_sa_linux.x86_64.tar.gz";
     sha256 =
       if debug then
-        "1mz1sxg9wvkgpcwmvbgn1s8x01lx9vkm7wbldfn66j230yrx2mlh"
+        "0vf28qdhb1ly5w3hhy3n20r4nyvwsxj5csb969s0r328nf1xaflj"
       else
-        "1ysdl7j7d9fqy509wz0gq2sray08j1v3bv9zwd6nzplgd60qdrva";
+        "0jqbnbpdrmxh2jnai0bv4c8jzsvqmcnhsp1hzaygsvp0ri4vncs8";
   };
 
   nativeBuildInputs = [ unzip ];