diff --git a/pkgs/servers/web-apps/discourse/default.nix b/pkgs/servers/web-apps/discourse/default.nix
index 59e3d4b18e9..07bab2c9aa2 100644
--- a/pkgs/servers/web-apps/discourse/default.nix
+++ b/pkgs/servers/web-apps/discourse/default.nix
@@ -2,20 +2,21 @@
 , fetchFromGitHub, bundlerEnv, callPackage
 
 , ruby, replace, gzip, gnutar, git, cacert, util-linux, gawk
-, imagemagick, optipng, pngquant, libjpeg, jpegoptim, gifsicle, libpsl
-, redis, postgresql, which, brotli, procps, rsync, nodePackages, v8
+, imagemagick, optipng, pngquant, libjpeg, jpegoptim, gifsicle, jhead
+, libpsl, redis, postgresql, which, brotli, procps, rsync
+, nodePackages, v8
 
 , plugins ? []
 }@args:
 
 let
-  version = "2.7.7";
+  version = "2.7.8";
 
   src = fetchFromGitHub {
     owner = "discourse";
     repo = "discourse";
     rev = "v${version}";
-    sha256 = "sha256-rhcTQyirgPX0ITjgotJAYLLSU957GanxAYYhy9j123U=";
+    sha256 = "sha256-p4eViEvzIU6W89FZRtMBXsT7bvf2H12bTPZ/h3iD8rA=";
   };
 
   runtimeDeps = [
@@ -41,6 +42,7 @@ let
     jpegoptim
     gifsicle
     nodePackages.svgo
+    jhead
   ];
 
   runtimeEnv = {
@@ -241,9 +243,6 @@ let
       # Add a noninteractive admin creation task
       ./admin_create.patch
 
-      # Disable jhead, which is currently marked as vulnerable
-      ./disable_jhead.patch
-
       # Add the path to the CA cert bundle to make TLS work
       ./action_mailer_ca_cert.patch
 
diff --git a/pkgs/servers/web-apps/discourse/disable_jhead.patch b/pkgs/servers/web-apps/discourse/disable_jhead.patch
deleted file mode 100644
index a7ee56ff185..00000000000
--- a/pkgs/servers/web-apps/discourse/disable_jhead.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-diff --git a/lib/file_helper.rb b/lib/file_helper.rb
-index d87da5a85e..f5323292d7 100644
---- a/lib/file_helper.rb
-+++ b/lib/file_helper.rb
-@@ -127,6 +127,7 @@ class FileHelper
-         jpegrecompress: false,
-         # Skip looking for gifsicle, svgo binaries
-         gifsicle: false,
-+        jhead: false,
-         svgo: false
-       )
-     end
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-calendar/Gemfile.lock b/pkgs/servers/web-apps/discourse/plugins/discourse-calendar/Gemfile.lock
index d5622c0ac37..d31b4afe519 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-calendar/Gemfile.lock
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-calendar/Gemfile.lock
@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (6.1.4)
+    activesupport (6.1.4.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
@@ -24,4 +24,4 @@ DEPENDENCIES
   rrule (= 0.4.2)
 
 BUNDLED WITH
-   2.2.20
+   2.2.24
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-calendar/default.nix b/pkgs/servers/web-apps/discourse/plugins/discourse-calendar/default.nix
index b610a5c21a1..a437f293fa6 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-calendar/default.nix
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-calendar/default.nix
@@ -6,8 +6,8 @@ mkDiscoursePlugin {
   src = fetchFromGitHub {
     owner = "discourse";
     repo = "discourse-calendar";
-    rev = "519cf403ae3003291de20145aca243e2ffbcb4a2";
-    sha256 = "0398cf7k03i7j7v5w1mysjzk2npbkvr7icj5sjwa8i8xzg34gck4";
+    rev = "2f76cdd3064735d484be1df77f43100aca21aea6";
+    sha256 = "1skpc8p5br1jkii1rksha1q95ias6xxyvi5bnli3q41w7fz1h5j2";
   };
   meta = with lib; {
     homepage = "https://github.com/discourse/discourse-calendar";
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-calendar/gemset.nix b/pkgs/servers/web-apps/discourse/plugins/discourse-calendar/gemset.nix
index 26db0e6fd10..4f1e4c100c0 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-calendar/gemset.nix
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-calendar/gemset.nix
@@ -5,10 +5,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0kqgywy4cj3h5142dh7pl0xx5nybp25jn0ykk0znziivzks68xdk";
+      sha256 = "19gx1jcq46x9d1pi1w8xq0bgvvfw239y4lalr8asm291gj3q3ds4";
       type = "gem";
     };
-    version = "6.1.4";
+    version = "6.1.4.1";
   };
   concurrent-ruby = {
     groups = ["default"];
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-canned-replies/default.nix b/pkgs/servers/web-apps/discourse/plugins/discourse-canned-replies/default.nix
index f90fabc0574..7ec87636d1c 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-canned-replies/default.nix
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-canned-replies/default.nix
@@ -5,8 +5,8 @@ mkDiscoursePlugin {
   src = fetchFromGitHub {
     owner = "discourse";
     repo = "discourse-canned-replies";
-    rev = "672a96a8160d3767cf5fd6647309c7b5dcf8a55d";
-    sha256 = "105zgpc7j3xmlkaz3cgxw1rfgy5d3dzln58ix569jmzifbsijml7";
+    rev = "1bb77ebbe0577f257bc16783dc8b7bbf2d915092";
+    sha256 = "0qvx8k9jsxjllqsqpf4k0j4niv1k2sggy6ak067wigs8ha3dkcr0";
   };
   meta = with lib; {
     homepage = "https://github.com/discourse/discourse-canned-replies";
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-checklist/default.nix b/pkgs/servers/web-apps/discourse/plugins/discourse-checklist/default.nix
index 89edb3f71d7..2bcf88da150 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-checklist/default.nix
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-checklist/default.nix
@@ -5,8 +5,8 @@ mkDiscoursePlugin {
   src = fetchFromGitHub {
     owner = "discourse";
     repo = "discourse-checklist";
-    rev = "6e7b9c5040c55795c7fd4db9569b3e93dad092c2";
-    sha256 = "sha256-2KAVBrfAvhLZC9idi+ijbVqOCq9rSXbDVEOZS+mWJ10=";
+    rev = "48855d81b7c3a3274f7f78a64312125c344d92d1";
+    sha256 = "0139v5wpyglfzvd07ka6gic1ssfysisgfiq09dsbjy519gnc9kjw";
   };
   meta = with lib; {
     homepage = "https://github.com/discourse/discourse-checklist";
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-github/Gemfile.lock b/pkgs/servers/web-apps/discourse/plugins/discourse-github/Gemfile.lock
index b6ebd834a53..3404b8a22a1 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-github/Gemfile.lock
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-github/Gemfile.lock
@@ -3,7 +3,7 @@ GEM
   specs:
     addressable (2.8.0)
       public_suffix (>= 2.0.2, < 5.0)
-    faraday (1.7.0)
+    faraday (1.8.0)
       faraday-em_http (~> 1.0)
       faraday-em_synchrony (~> 1.0)
       faraday-excon (~> 1.1)
@@ -40,4 +40,4 @@ DEPENDENCIES
   sawyer (= 0.8.2)
 
 BUNDLED WITH
-   2.2.20
+   2.2.24
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-github/default.nix b/pkgs/servers/web-apps/discourse/plugins/discourse-github/default.nix
index 63488de18ff..0ea57071ebe 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-github/default.nix
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-github/default.nix
@@ -6,8 +6,8 @@ mkDiscoursePlugin {
   src = fetchFromGitHub {
     owner = "discourse";
     repo = "discourse-github";
-    rev = "b6ad8e39a13e2ad5c6943ea697ca23f2c5f9fec1";
-    sha256 = "0vxwp4kbf44clcqilb8ni0ykk4jrgiv4rbd05pgfvndcp3izm2i6";
+    rev = "9aaf4350968fb758f9bff3588f78e3ad24ddb4b0";
+    sha256 = "0nmpkh1rr0jv68a655f5610v2mn09xriiqv049a0gklap2lgv7p8";
   };
   meta = with lib; {
     homepage = "https://github.com/discourse/discourse-github";
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-github/gemset.nix b/pkgs/servers/web-apps/discourse/plugins/discourse-github/gemset.nix
index 90009a3beb8..5b9b4e09853 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-github/gemset.nix
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-github/gemset.nix
@@ -16,10 +16,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0r6ik2yvsbx6jj30vck32da2bbvj4m0gf4jhp09vr75i1d6jzfvb";
+      sha256 = "0afhlqgby2cizcwgh7h2sq5f77q01axjbdl25bsvfwsry9n7gyyi";
       type = "gem";
     };
-    version = "1.7.0";
+    version = "1.8.0";
   };
   faraday-em_http = {
     groups = ["default"];
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-math/default.nix b/pkgs/servers/web-apps/discourse/plugins/discourse-math/default.nix
index 0e751c1dc54..812ea88d040 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-math/default.nix
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-math/default.nix
@@ -5,8 +5,8 @@ mkDiscoursePlugin {
   src = fetchFromGitHub {
     owner = "discourse";
     repo = "discourse-math";
-    rev = "aed0c83cee568d5239143bcf1df59c5fbe86b276";
-    sha256 = "1k6kpnhf8s2l0w9zr5pn3wvn8w0n3gwkv7qkv0mkhkzy246ag20z";
+    rev = "d7d0180352dd5a7dcb76c0817bfbb08c2a0f08c7";
+    sha256 = "0y72impvnq965ibbfc9877hr78fxkrwav1xmgyy3r9w87952vcwa";
   };
   meta = with lib; {
     homepage = "https://github.com/discourse/discourse-math";
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-solved/default.nix b/pkgs/servers/web-apps/discourse/plugins/discourse-solved/default.nix
index c92c5a1016a..b66aa1a7fab 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-solved/default.nix
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-solved/default.nix
@@ -5,8 +5,8 @@ mkDiscoursePlugin {
   src = fetchFromGitHub {
     owner = "discourse";
     repo = "discourse-solved";
-    rev = "8bf54370200fe9d94541f69339430a7dc1019d62";
-    sha256 = "1sk91h4dilkxm1wpv8zw59wgw860ywwlcgiw2kd23ybdk9n7b3lh";
+    rev = "55cb184f7ef2954326561cc44fc8134798b8a9e0";
+    sha256 = "0pv5i216zn0v8xfwlndvhvr06vkmxaynj8xjfnc5amy1sp6k76w7";
   };
   meta = with lib; {
     homepage = "https://github.com/discourse/discourse-solved";
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-spoiler-alert/default.nix b/pkgs/servers/web-apps/discourse/plugins/discourse-spoiler-alert/default.nix
index da47dbf182c..5b745cbd603 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-spoiler-alert/default.nix
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-spoiler-alert/default.nix
@@ -5,8 +5,8 @@ mkDiscoursePlugin {
   src = fetchFromGitHub {
     owner = "discourse";
     repo = "discourse-spoiler-alert";
-    rev = "ec14a2316da0a4fc055cfc21c68a60040188a2b4";
-    sha256 = "11n977gp8va7jkqa6i3ja279k4nmkhk5l4hg9xhs229450m1rnfp";
+    rev = "0b93227ea8e2c72afe72029382081ebff89c3638";
+    sha256 = "0x0dxb41ss15sv5ph7z7q55ayf8a7r22bgkmr17924mny5440b5a";
   };
   meta = with lib; {
     homepage = "https://github.com/discourse/discourse-spoiler-alert";
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-yearly-review/default.nix b/pkgs/servers/web-apps/discourse/plugins/discourse-yearly-review/default.nix
index b20e16118c7..ea48d9997bb 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-yearly-review/default.nix
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-yearly-review/default.nix
@@ -5,8 +5,8 @@ mkDiscoursePlugin {
   src = fetchFromGitHub {
     owner = "discourse";
     repo = "discourse-yearly-review";
-    rev = "95149df2282d62eebeb265b4895df15a2b259d03";
-    sha256 = "02n27al8n8cxz3dx4awlnd4qhv8a0fmjac57yyblmpviapja1wj7";
+    rev = "cb040562f6af3163d70e8932867b530c6640ab9a";
+    sha256 = "07h6nq4bafs27ly2f5chkn5vb1wdy909qffwkgp5k1fanhbqvhvs";
   };
   meta = with lib; {
     homepage = "https://github.com/discourse/discourse-yearly-review";
diff --git a/pkgs/servers/web-apps/discourse/rubyEnv/Gemfile.lock b/pkgs/servers/web-apps/discourse/rubyEnv/Gemfile.lock
index 1f7a3641caa..f7fca7dae77 100644
--- a/pkgs/servers/web-apps/discourse/rubyEnv/Gemfile.lock
+++ b/pkgs/servers/web-apps/discourse/rubyEnv/Gemfile.lock
@@ -590,4 +590,4 @@ DEPENDENCIES
   yaml-lint
 
 BUNDLED WITH
-   2.2.20
+   2.2.24