diff --git a/dist/lib/hayashi.jar b/dist/lib/hayashi.jar
index 2fdadb6..ca243ef 100644
--- a/dist/lib/hayashi.jar
+++ b/dist/lib/hayashi.jar
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diff --git a/dist/lib/postgresql-42.2.4.jar b/dist/lib/postgresql-42.2.4.jar
new file mode 100644
index 0000000..4f747be
--- /dev/null
+++ b/dist/lib/postgresql-42.2.4.jar
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diff --git a/dist/lib/postgresql-9.4.1212.jar b/dist/lib/postgresql-9.4.1212.jar
deleted file mode 100644
index b0de752..0000000
--- a/dist/lib/postgresql-9.4.1212.jar
+++ /dev/null
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