diff --git a/pkgs/applications/networking/instant-messengers/element/element-desktop-package.json b/pkgs/applications/networking/instant-messengers/element/element-desktop-package.json
index 5251b07d8d9..340e8e22f64 100644
--- a/pkgs/applications/networking/instant-messengers/element/element-desktop-package.json
+++ b/pkgs/applications/networking/instant-messengers/element/element-desktop-package.json
@@ -2,7 +2,7 @@
   "name": "element-desktop",
   "productName": "Element",
   "main": "lib/electron-main.js",
-  "version": "1.8.2",
+  "version": "1.8.4",
   "description": "A feature-rich client for Matrix.org",
   "author": "Element",
   "repository": {
diff --git a/pkgs/applications/networking/instant-messengers/element/element-desktop.nix b/pkgs/applications/networking/instant-messengers/element/element-desktop.nix
index 47e1c1021af..07bf3c8b0f0 100644
--- a/pkgs/applications/networking/instant-messengers/element/element-desktop.nix
+++ b/pkgs/applications/networking/instant-messengers/element/element-desktop.nix
@@ -8,12 +8,12 @@
 
 let
   executableName = "element-desktop";
-  version = "1.8.2";
+  version = "1.8.4";
   src = fetchFromGitHub {
     owner = "vector-im";
     repo = "element-desktop";
     rev = "v${version}";
-    sha256 = "sha256-6DPMfx3LF45YWn2do02zDMLYZGBgBrOMJx3XBAO0ZyM=";
+    sha256 = "sha256-MmrO9Ref/qpW7ssjw8IAb7dYZHMRBfdfH2whsZJq/14=";
   };
 in mkYarnPackage rec {
   name = "element-desktop-${version}";
diff --git a/pkgs/applications/networking/instant-messengers/element/element-web.nix b/pkgs/applications/networking/instant-messengers/element/element-web.nix
index fdea75c78af..a46bc6ea5c5 100644
--- a/pkgs/applications/networking/instant-messengers/element/element-web.nix
+++ b/pkgs/applications/networking/instant-messengers/element/element-web.nix
@@ -12,11 +12,11 @@ let
 
 in stdenv.mkDerivation rec {
   pname = "element-web";
-  version = "1.8.2";
+  version = "1.8.4";
 
   src = fetchurl {
     url = "https://github.com/vector-im/element-web/releases/download/v${version}/element-v${version}.tar.gz";
-    sha256 = "sha256-SgVxYPmdgFn6Nll1a6b1Sn2H5I0Vkjorn3gA9d5FamQ=";
+    sha256 = "sha256-V4ekSs6FmSCpUFlAipTyrde4z+ErQCb9zzktbX8YtC8=";
   };
 
   installPhase = ''
diff --git a/pkgs/development/interpreters/php/7.4.nix b/pkgs/development/interpreters/php/7.4.nix
index e5c339e502d..9797d98629f 100644
--- a/pkgs/development/interpreters/php/7.4.nix
+++ b/pkgs/development/interpreters/php/7.4.nix
@@ -4,8 +4,8 @@ let
   generic = (import ./generic.nix) _args;
 
   base = callPackage generic (_args // {
-    version = "7.4.21";
-    sha256 = "0al2697d5hwq0f39rgncl1pwfxzzpc0afmr0fjvw5qjpww163v1n";
+    version = "7.4.23";
+    sha256 = "d1e094fe6e4f832e0a64be9c69464ba5d593fb216f914efa8bbb084e0a7a5727";
   });
 
 in base.withExtensions ({ all, ... }: with all; ([
diff --git a/pkgs/development/interpreters/php/8.0.nix b/pkgs/development/interpreters/php/8.0.nix
index 00cc1191961..538c1e66f11 100644
--- a/pkgs/development/interpreters/php/8.0.nix
+++ b/pkgs/development/interpreters/php/8.0.nix
@@ -4,8 +4,8 @@ let
   generic = (import ./generic.nix) _args;
 
   base = callPackage generic (_args // {
-    version = "8.0.8";
-    sha256 = "0vyi9hhy7yl4l589dniwb3gq29sp3giq7ni4nca3x54q3bbpgg8l";
+    version = "8.0.10";
+    sha256 = "sha256-yUVHJxQQkAhFsITsK8s0Zq82PuypLLJL1hHcvcJvFYc=";
   });
 
 in base.withExtensions ({ all, ... }: with all; ([
diff --git a/pkgs/development/r-modules/default.nix b/pkgs/development/r-modules/default.nix
index f16a6d0bb4a..b239c32a890 100644
--- a/pkgs/development/r-modules/default.nix
+++ b/pkgs/development/r-modules/default.nix
@@ -783,7 +783,9 @@ let
     });
 
     RMySQL = old.RMySQL.overrideDerivation (attrs: {
-      MYSQL_DIR="${pkgs.libmysqlclient}";
+      MYSQL_DIR = "${pkgs.libmysqlclient}";
+      PKGCONFIG_CFLAGS = "-I${pkgs.libmysqlclient.dev}/include/mysql";
+      NIX_CFLAGS_LINK = "-L${pkgs.libmysqlclient}/lib/mysql -lmysqlclient";
       preConfigure = ''
         patchShebangs configure
       '';