diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8cea52633..16456dfc8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## RubyInstaller-2.4.2-2 - 2017-09-15
+
+### Changed
+- Fix a regession of ruby-2.4.2 to not link to libgmp.
+  See [ruby-2.4.2 release notes](https://www.ruby-lang.org/en/news/2017/09/14/ruby-2-4-2-released/) .
+
+
 ## RubyInstaller-2.4.2-1 - 2017-09-15
 
 ### Added
diff --git a/appveyor.yml b/appveyor.yml
index 51c518ff4..ffb28051f 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -9,7 +9,7 @@ install:
   - c:/msys64/usr/bin/bash -lc "pacman -Sy --noconfirm"
   # Update ruby dependencies, because the pre-installed are outdated.
   # Keep this in sync with the "depends" list in PKGBUILD files.
-  - c:/msys64/usr/bin/bash -lc "pacman -S --noconfirm --needed ${MINGW_PACKAGE_PREFIX}-toolchain ${MINGW_PACKAGE_PREFIX}-gcc-libs ${MINGW_PACKAGE_PREFIX}-gdbm {MINGW_PACKAGE_PREFIX}-gmp ${MINGW_PACKAGE_PREFIX}-libffi ${MINGW_PACKAGE_PREFIX}-libyaml ${MINGW_PACKAGE_PREFIX}-openssl ${MINGW_PACKAGE_PREFIX}-zlib"
+  - c:/msys64/usr/bin/bash -lc "pacman -S --noconfirm --needed ${MINGW_PACKAGE_PREFIX}-toolchain ${MINGW_PACKAGE_PREFIX}-gcc-libs ${MINGW_PACKAGE_PREFIX}-gdbm ${MINGW_PACKAGE_PREFIX}-gmp ${MINGW_PACKAGE_PREFIX}-libffi ${MINGW_PACKAGE_PREFIX}-libyaml ${MINGW_PACKAGE_PREFIX}-openssl ${MINGW_PACKAGE_PREFIX}-zlib"
 
 build_script:
   - set PATH=C:/ruby%build_ruby%/bin;%PATH%
diff --git a/packages/rubybundle/Rakefile b/packages/rubybundle/Rakefile
index 38a83e604..f675e053c 100644
--- a/packages/rubybundle/Rakefile
+++ b/packages/rubybundle/Rakefile
@@ -42,7 +42,7 @@ end
 ovl_glob('recipes/*/task.rake').each{|f| load(ovl_expand_file(f)) }
 
 ruby_arch_packages = %w[x64 x86].map do |arch|
-  %w[2.4.2-1 2.5.0-snapshot].map do |packagever|
+  %w[2.4.2-2 2.5.0-snapshot].map do |packagever|
     RubyPackage.new( packagever: packagever, arch: arch, rootdir: __dir__ ).freeze
   end
 end
diff --git a/packages/rubyinstaller/Rakefile b/packages/rubyinstaller/Rakefile
index db888ef42..268d7d8f4 100644
--- a/packages/rubyinstaller/Rakefile
+++ b/packages/rubyinstaller/Rakefile
@@ -37,7 +37,7 @@ end
 
 ovl_glob('recipes/*/task.rake').each{|f| load(ovl_expand_file(f)) }
 
-ruby_packages = %w[2.4.2-1 2.5.0-snapshot].map do |packagever|
+ruby_packages = %w[2.4.2-2 2.5.0-snapshot].map do |packagever|
   %w[x64 x86].map do |arch|
     RubyPackage.new( packagever: packagever, arch: arch, rootdir: __dir__ ).freeze
   end