diff --git a/languages/hades b/languages/hades
index b91f710..9afb90b 100755
--- a/languages/hades
+++ b/languages/hades
@@ -4,9 +4,10 @@ err=0
 trap 'err=1' ERR
 
 rm -rf hades
-git clone https://github.com/Azer0s/HadesLang.git -b master hades
+git clone https://github.com/Azer0s/HadesLang.git hades
 cd hades
+git checkout 317ce8552bb07b68d1fc4163afe51f0aae985b3c
 dotnet publish HadesLang/HadesLang.csproj -c Release -r linux-x64 -o bin
-find -perm -a+w -exec chmod 755 {} \;
+find -executable -exec chmod 755 {} \;
 
 exit "$err"
diff --git a/languages/perl5-cperl b/languages/perl5-cperl
index 182c4f4..c5ec4f0 100755
--- a/languages/perl5-cperl
+++ b/languages/perl5-cperl
@@ -8,7 +8,7 @@ rm -rf $dir
 mkdir -p $dir/build/dists
 cd $dir
 export PERLBREW_ROOT=$dir/build
-perlbrew install -Dprefix=$dir -j 2 -n $(perlbrew available | tac | grep -m 1 cperl)
+perlbrew install -Dprefix=$dir -j 2 -n cperl-5.29.0 #$(perlbrew available | tac | grep -m 1 cperl)
 rm -r build
 
 exit "$err"
diff --git a/languages/zig b/languages/zig
index 98f58ca..3d39b3e 100755
--- a/languages/zig
+++ b/languages/zig
@@ -6,7 +6,11 @@ trap 'err=1' ERR
 rm -rf zig
 mkdir zig
 cd zig
-curl -sSL https://ziglang.org/builds/zig-linux-x86_64-master.tar.xz \
+
+curl -sSL "$(
+	curl -sSL https://ziglang.org/download/index.json \
+		| jq -r '.master|.["x86_64-linux"].tarball'
+)" \
 	| tar x --xz --strip-components=1
 
 exit "$err"
diff --git a/stage/530-installwithdnf b/stage/530-installwithdnf
index 527f2f8..1923290 100755
--- a/stage/530-installwithdnf
+++ b/stage/530-installwithdnf
@@ -5,7 +5,7 @@ trap 'err=1' ERR
 
 dnf install -y \
   Agda Agda-stdlib ack allegro5-devel allegro5-addon-acodec-devel allegro5-addon-image-devel allegro5-addon-ttf-devel ant blas-devel bind-utils bison bison-devel boo boost-devel bsd-games byacc bzip2-devel cargo ceylon-1.3.2 chrpath \
-  clang clisp clojure cmake coin-or-SYMPHONY-devel cpan cpio crystal dart-bin dash dmd dotnet-sdk-2.2 dub ed elixir emacs-nox erlang erlang-erts file firewalld fish flex flex-devel fpc freetype-devel fsharp gambit-c gcc-c++ gcc-gnat gcc-objc gcc-objc++ \
+  clang clisp clojure cmake coin-or-SYMPHONY-devel cpan cpio crystal dart-bin dash dmd dotnet-sdk-2.2 dub ed elfutils-libelf-devel.i686 elixir emacs-nox erlang erlang-erts file firewalld fish flex flex-devel fpc freetype-devel fsharp gambit-c gcc-c++ gcc-gnat gcc-objc gcc-objc++ \
   gc-devel gd-devel gettext-devel gforth ghc-haskell-src-exts-devel ghc-parsec-devel ghc-random-devel giflib-devel git glib2-devel glibc-devel glibc-devel.i686 gmp-c++ gmp-devel gnustep-base-devel gnustep-make golang gperf gradle \
   groovy gsl-devel gtkglext-libs haskell-platform haxe httpd huginn hugs98 icu idris ImageMagick java-1.?.0-openjdk jq \
   ksh libICE-devel libSM-devel libX11-devel libXaw-devel libXext-devel libXft-devel libXinerama-devel \