diff --git a/puppet-module-pipeline.yaml b/puppet-module-pipeline.yaml
index 3b08c85a261edb692f2219b732f5a217e282bca2..0d8276424233cc298391093925f012ef58bb013d 100644
--- a/puppet-module-pipeline.yaml
+++ b/puppet-module-pipeline.yaml
@@ -36,6 +36,10 @@ pdk-validate:
           echo "Locking io-console to 0.5.6"
           sed -e '/"io-console"/d' -e "/'io-console'/d" -i Gemfile Gemfile.local
           echo 'gem "io-console", "= 0.5.6"' >> Gemfile.local
+
+          echo "Locking bigdecimal to 2.0.0"
+          sed -e '/"bigdecimal"/d' -e "/'bigdecimal'/d" -i Gemfile Gemfile.local
+          echo 'gem "bigdecimal", "= 2.0.0"' >> Gemfile.local
         else
           echo "Locking io-console to 0.6.0"
           sed -e '/"io-console"/d' -e "/'io-console'/d" -i Gemfile Gemfile.local