diff --git a/pkgs/applications/science/math/glsurf/default.nix b/pkgs/applications/science/math/glsurf/default.nix
index 3e4c8c702869..67dcfd8dc1de 100644
--- a/pkgs/applications/science/math/glsurf/default.nix
+++ b/pkgs/applications/science/math/glsurf/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
     sha256 = "0w8xxfnw2snflz8wdr2ca9f5g91w5vbyp1hwlx1v7vg83d4bwqs7";
   };
 
-  buildInputs = [ freeglut mesa mysql.lib mpfr gmp
+  buildInputs = [ freeglut mesa mysql.connector-c mpfr gmp
     libtiff libjpeg libpng giflib ]
   ++ (with ocamlPackages; [
     ocaml findlib ocaml_mysql lablgl camlimages_4_0 mlgmpidl
diff --git a/pkgs/applications/video/kodi/default.nix b/pkgs/applications/video/kodi/default.nix
index 125a6d492a32..28577a429bd2 100644
--- a/pkgs/applications/video/kodi/default.nix
+++ b/pkgs/applications/video/kodi/default.nix
@@ -130,7 +130,7 @@ in stdenv.mkDerivation rec {
       libmpeg2 libsamplerate libmad
       libogg libvorbis flac libxslt systemd
       lzo libcdio libmodplug libass libbluray
-      sqlite mysql.lib avahi lame
+      sqlite mysql.connector-c avahi lame
       curl bzip2 zip unzip glxinfo xdpyinfo
       libcec libcec_platform dcadec libuuid
       libgcrypt libgpgerror libunistring
diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index a7ba0dea10dc..21168fa3537f 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -70,7 +70,7 @@ self: super: {
 
   # Use the default version of mysql to build this package (which is actually mariadb).
   # test phase requires networking
-  mysql = dontCheck (super.mysql.override { mysql = pkgs.mysql.lib; });
+  mysql = dontCheck (super.mysql.override { mysql = pkgs.mysql.connector-c; });
 
   # check requires mysql server
   mysql-simple = dontCheck super.mysql-simple;
diff --git a/pkgs/development/haskell-modules/configuration-nix.nix b/pkgs/development/haskell-modules/configuration-nix.nix
index 50ed1f196378..e4d582595b21 100644
--- a/pkgs/development/haskell-modules/configuration-nix.nix
+++ b/pkgs/development/haskell-modules/configuration-nix.nix
@@ -53,7 +53,7 @@ self: super: builtins.intersectAttrs super {
 
   # Use the default version of mysql to build this package (which is actually mariadb).
   # test phase requires networking
-  mysql = dontCheck (super.mysql.override { mysql = pkgs.mysql.lib; });
+  mysql = dontCheck (super.mysql.override { mysql = pkgs.mysql.connector-c; });
 
   # CUDA needs help finding the SDK headers and libraries.
   cuda = overrideCabal super.cuda (drv: {
diff --git a/pkgs/development/interpreters/php/default.nix b/pkgs/development/interpreters/php/default.nix
index db4eb6eaee0c..e397f4af297b 100644
--- a/pkgs/development/interpreters/php/default.nix
+++ b/pkgs/development/interpreters/php/default.nix
@@ -12,7 +12,7 @@ let
     { version, sha256 }:
 
     let php7 = lib.versionAtLeast version "7.0";
-        mysqlHeaders = mysql.lib.dev or mysql;
+        mysqlHeaders = mysql.connector-c or mysql;
         mysqlndSupport = config.php.mysqlnd or false;
         mysqlBuildInputs = lib.optional (!mysqlndSupport) mysqlHeaders;
 
diff --git a/pkgs/development/libraries/gdal/default.nix b/pkgs/development/libraries/gdal/default.nix
index 984d3da81198..0f1637a87e94 100644
--- a/pkgs/development/libraries/gdal/default.nix
+++ b/pkgs/development/libraries/gdal/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
     "--with-poppler=${poppler.dev}" # optional
     "--with-libz=${zlib.dev}"       # optional
     "--with-pg=${postgresql}/bin/pg_config"
-    "--with-mysql=${mysql.lib.dev}/bin/mysql_config"
+    "--with-mysql=${mysql.connector-c or mysql}/bin/mysql_config"
     "--with-geotiff=${libgeotiff}"
     "--with-sqlite3=${sqlite.dev}"
     "--with-spatialite=${libspatialite}"
diff --git a/pkgs/development/libraries/gdal/gdal-1_11.nix b/pkgs/development/libraries/gdal/gdal-1_11.nix
index c9f0c0761019..d7906cfdc7db 100644
--- a/pkgs/development/libraries/gdal/gdal-1_11.nix
+++ b/pkgs/development/libraries/gdal/gdal-1_11.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
     "--with-libz=${zlib.dev}"       # optional
 
     "--with-pg=${postgresql}/bin/pg_config"
-    "--with-mysql=${mysql.lib.dev}/bin/mysql_config"
+    "--with-mysql=${mysql.connector-c}/bin/mysql_config"
     "--with-geotiff=${libgeotiff}"
     "--with-python"               # optional
     "--with-static-proj4=${proj}" # optional
diff --git a/pkgs/development/libraries/qt-4.x/4.8/default.nix b/pkgs/development/libraries/qt-4.x/4.8/default.nix
index 32691faa6893..488306fc1ce2 100644
--- a/pkgs/development/libraries/qt-4.x/4.8/default.nix
+++ b/pkgs/development/libraries/qt-4.x/4.8/default.nix
@@ -160,7 +160,7 @@ stdenv.mkDerivation rec {
   buildInputs =
     [ cups # Qt dlopen's libcups instead of linking to it
       postgresql sqlite libjpeg libmng libtiff icu ]
-    ++ optionals (mysql != null) [ mysql.lib ]
+    ++ optionals (mysql != null) [ mysql.connector-c ]
     ++ optionals gtkStyle [ gtk2 gdk_pixbuf ]
     ++ optionals stdenv.isDarwin [ cf-private ApplicationServices OpenGL Cocoa AGL libcxx libobjc ];
 
diff --git a/pkgs/development/ocaml-modules/mysql/default.nix b/pkgs/development/ocaml-modules/mysql/default.nix
index 3fa8e9d46b40..5482d7ac87cd 100644
--- a/pkgs/development/ocaml-modules/mysql/default.nix
+++ b/pkgs/development/ocaml-modules/mysql/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, ocaml, findlib, mysql }:
+{ stdenv, fetchurl, fetchpatch, ocaml, findlib, mysql, openssl }:
 
 # TODO: la versione stabile da' un errore di compilazione dovuto a
 # qualche cambiamento negli header .h
@@ -26,7 +26,14 @@ stdenv.mkDerivation rec {
 
   createFindlibDestdir = true;
 
-  propagatedBuildInputs = [ mysql.client ];
+  propagatedBuildInputs = [ mysql.connector-c ];
+
+  patches = [
+    (fetchpatch {
+      url = "https://github.com/ygrek/ocaml-mysql/compare/v1.2.1...d6d1b3b262ae2cf493ef56f1dd7afcf663a70a26.patch";
+      sha256 = "0018s2wcrvbsw9yaqmwq500qmikwffrgdp5xg9b8v7ixhd4gi6hn";
+    })
+  ];
 
   meta = {
     homepage = http://ocaml-mysql.forge.ocamlcore.org;
diff --git a/pkgs/development/perl-modules/DBD-mysql/default.nix b/pkgs/development/perl-modules/DBD-mysql/default.nix
index 7302516d5429..12ddcf166e25 100644
--- a/pkgs/development/perl-modules/DBD-mysql/default.nix
+++ b/pkgs/development/perl-modules/DBD-mysql/default.nix
@@ -8,7 +8,7 @@ buildPerlPackage rec {
     sha256 = "0h4h6zwzj8fwh9ljb8svnsa0a3ch4p10hp59kpdibdb4qh8xwxs7";
   };
 
-  buildInputs = [ mysql.lib ] ;
+  buildInputs = [ mysql.connector-c ] ;
   propagatedBuildInputs = [ DBI ];
 
   doCheck = false;
diff --git a/pkgs/development/r-modules/default.nix b/pkgs/development/r-modules/default.nix
index 76c0e5227773..a435ee65e52c 100644
--- a/pkgs/development/r-modules/default.nix
+++ b/pkgs/development/r-modules/default.nix
@@ -320,7 +320,7 @@ let
     rmatio = [ pkgs.zlib.dev ];
     Rmpfr = [ pkgs.gmp pkgs.mpfr.dev ];
     Rmpi = [ pkgs.openmpi ];
-    RMySQL = [ pkgs.zlib pkgs.mysql.lib pkgs.mariadb pkgs.openssl.dev ];
+    RMySQL = [ pkgs.zlib pkgs.mysql.connector-c pkgs.openssl.dev ];
     RNetCDF = [ pkgs.netcdf pkgs.udunits ];
     RODBCext = [ pkgs.libiodbc ];
     RODBC = [ pkgs.libiodbc ];
@@ -798,10 +798,10 @@ let
     });
 
     RMySQL = old.RMySQL.overrideDerivation (attrs: {
-      MYSQL_DIR="${pkgs.mysql.lib}";
+      MYSQL_DIR="${pkgs.mysql.connector-c}";
       preConfigure = ''
         patchShebangs configure
-        '';
+      '';
     });
 
     devEMF = old.devEMF.overrideDerivation (attrs: {
diff --git a/pkgs/development/ruby-modules/gem-config/default.nix b/pkgs/development/ruby-modules/gem-config/default.nix
index 05415b889680..bbb7b4400a72 100644
--- a/pkgs/development/ruby-modules/gem-config/default.nix
+++ b/pkgs/development/ruby-modules/gem-config/default.nix
@@ -167,11 +167,11 @@ in
   };
 
   mysql = attrs: {
-    buildInputs = [ mysql.lib zlib openssl ];
+    buildInputs = [ mysql.connector-c zlib openssl ];
   };
 
   mysql2 = attrs: {
-    buildInputs = [ mysql.lib zlib openssl ];
+    buildInputs = [ mysql.connector-c zlib openssl ];
   };
 
   ncursesw = attrs: {
diff --git a/pkgs/servers/http/lighttpd/default.nix b/pkgs/servers/http/lighttpd/default.nix
index 05722f141edd..181e3bf134fb 100644
--- a/pkgs/servers/http/lighttpd/default.nix
+++ b/pkgs/servers/http/lighttpd/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ pkgconfig ];
   buildInputs = [ pcre libxml2 zlib attr bzip2 which file openssl ]
              ++ stdenv.lib.optional enableMagnet lua5_1
-             ++ stdenv.lib.optional enableMysql mysql.lib
+             ++ stdenv.lib.optional enableMysql mysql.connector-c
              ++ stdenv.lib.optional enableLdap openldap;
 
   configureFlags = [ "--with-openssl" ]
diff --git a/pkgs/servers/sql/mariadb/default.nix b/pkgs/servers/sql/mariadb/default.nix
index 707865750722..3b48a666132b 100644
--- a/pkgs/servers/sql/mariadb/default.nix
+++ b/pkgs/servers/sql/mariadb/default.nix
@@ -11,7 +11,7 @@ let # in mariadb # spans the whole file
 mariadb = everything // {
   inherit client; # libmysqlclient.so in .out, necessary headers in .dev and utils in .bin
   server = everything; # a full single-output build, including everything in `client` again
-  lib = client; # compat. with the old mariadb split
+  inherit connector-c; # libmysqlclient.so
 };
 
 common = rec { # attributes common to both builds
@@ -159,4 +159,34 @@ everything = stdenv.mkDerivation (common // {
   '';
 });
 
+connector-c = stdenv.mkDerivation rec {
+  name = "mariadb-connector-c-${version}";
+  version = "2.3.3";
+
+  src = fetchurl {
+    url = "https://downloads.mariadb.org/interstitial/connector-c-${version}/mariadb-connector-c-${version}-src.tar.gz/from/http%3A//ftp.hosteurope.de/mirror/archive.mariadb.org/?serve";
+    sha256 = "12a0j4r01vrdpvl53zq433fb74gd4mm4v5jqmnf4nrg76h0p39c2";
+    name   = "mariadb-connector-c-${version}-src.tar.gz";
+  };
+
+  # outputs = [ "dev" "out" ]; FIXME: cmake variables don't allow that < 3.0
+  cmakeFlags = [ "-DWITH_EXTERNAL_ZLIB=ON" ];
+
+  nativeBuildInputs = [ cmake ];
+  propagatedBuildInputs = [ openssl zlib ];
+
+  enableParallelBuilding = true;
+
+  postFixup = ''
+    ln -sv mariadb_config $out/bin/mysql_config
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Client library that can be used to connect to MySQL or MariaDB";
+    license = licenses.lgpl21;
+    maintainers = with maintainers; [ globin ];
+    platforms = platforms.all;
+  };
+};
+
 in mariadb
diff --git a/pkgs/servers/web-apps/frab/Gemfile.lock b/pkgs/servers/web-apps/frab/Gemfile.lock
index 530c54ebd898..06502ef59ad5 100644
--- a/pkgs/servers/web-apps/frab/Gemfile.lock
+++ b/pkgs/servers/web-apps/frab/Gemfile.lock
@@ -180,7 +180,7 @@ GEM
       pry (~> 0.10)
     pry-rails (0.3.4)
       pry (>= 0.9.10)
-    puma (3.6.0)
+    puma (3.9.1)
     rack (1.6.4)
     rack-test (0.6.3)
       rack (>= 1.0)
diff --git a/pkgs/servers/web-apps/frab/gemset.nix b/pkgs/servers/web-apps/frab/gemset.nix
index 9f881579f42d..449fbf1a5b6b 100644
--- a/pkgs/servers/web-apps/frab/gemset.nix
+++ b/pkgs/servers/web-apps/frab/gemset.nix
@@ -628,10 +628,10 @@
   puma = {
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1rmcny3jr1jj01f9fqijwmikj212a5iql7ghifklm77x4a8pp399";
+      sha256 = "1k13n500r7v480rcbxm7k09hip0zi7p8zvy3vajj8g9hb7gdcwnp";
       type = "gem";
     };
-    version = "3.6.0";
+    version = "3.9.1";
   };
   rack = {
     source = {
@@ -929,4 +929,4 @@
     };
     version = "0.9.5";
   };
-}
\ No newline at end of file
+}
diff --git a/pkgs/tools/networking/mailutils/default.nix b/pkgs/tools/networking/mailutils/default.nix
index aee5302405a5..97619275ba25 100644
--- a/pkgs/tools/networking/mailutils/default.nix
+++ b/pkgs/tools/networking/mailutils/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
   ] ++ stdenv.lib.optional doCheck dejagnu;
   buildInputs = [
     gdbm pam readline ncurses gnutls guile texinfo gnum4 sasl fribidi nettools
-    gss mysql.lib
+    gss mysql.connector-c
   ];
 
   patches = [
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index f425005c2fe3..f5dfcffaa269 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -11534,9 +11534,9 @@ in {
       sha256 = "0x0c2jg0bb3pp84njaqiic050qkyd7ymwhfvhipnimg58yv40441";
     };
 
-    buildInputs = with self; [ nose pkgs.openssl ];
+    buildInputs = with self; [ nose ];
 
-    propagatedBuildInputs = with self; [ pkgs.mysql.lib pkgs.zlib ];
+    propagatedBuildInputs = with self; [ pkgs.mysql.connector-c ];
 
     meta = {
       description = "MySQL database binding for Python";