2 files changed, 4 insertions, 0 deletions
diff --git a/pkgs/servers/sql/mysql/5.1.x.nix b/pkgs/servers/sql/mysql/5.1.x.nix
index c210c9965327..c309158a6705 100644
--- a/pkgs/servers/sql/mysql/5.1.x.nix
+++ b/pkgs/servers/sql/mysql/5.1.x.nix
@@ -27,6 +27,8 @@ stdenv.mkDerivation rec {
       rm -rf $out/mysql-test $out/sql-bench $out/share/info
     '';
 
+  passthru.mysqlVersion = "5.1";
+
   meta = {
     homepage = http://www.mysql.com/;
     description = "The world's most popular open source database";
diff --git a/pkgs/servers/sql/mysql/5.5.x.nix b/pkgs/servers/sql/mysql/5.5.x.nix
index bd30b7db75ff..e8da8a48d65f 100644
--- a/pkgs/servers/sql/mysql/5.5.x.nix
+++ b/pkgs/servers/sql/mysql/5.5.x.nix
@@ -28,6 +28,8 @@ stdenv.mkDerivation rec {
     rm -rf $out/mysql-test $out/sql-bench
   '';
 
+  passthru.mysqlVersion = "5.5";
+
   meta = {
     homepage = http://www.mysql.com/;
     description = "The world's most popular open source database";