diff --git a/.idea/libraries/hikaricp_2_4_0.xml b/.idea/libraries/hikaricp_2_4_0.xml
index 17ecdce..2f9f913 100644
--- a/.idea/libraries/hikaricp_2_4_0.xml
+++ b/.idea/libraries/hikaricp_2_4_0.xml
@@ -3,8 +3,8 @@
     <CLASSES>
       <root url="jar://$PROJECT_DIR$/build/libraries/hikaricp/slf4j-simple-1.7.12.jar!/" />
       <root url="jar://$PROJECT_DIR$/build/libraries/hikaricp/slf4j-api-1.7.12.jar!/" />
-      <root url="jar://$PROJECT_DIR$/build/libraries/hikaricp/javassist-3.20.0-GA.jar!/" />
       <root url="jar://$PROJECT_DIR$/build/libraries/hikaricp/HikariCP-4.0.3.jar!/" />
+      <root url="jar://$PROJECT_DIR$/build/libraries/hikaricp/javassist-3.27.0-GA.jar!/" />
     </CLASSES>
     <JAVADOC />
     <SOURCES />
diff --git a/.idea/libraries/minimal_json_0_9_4.xml b/.idea/libraries/minimal_json_0_9_4.xml
deleted file mode 100644
index 3eea58d..0000000
--- a/.idea/libraries/minimal_json_0_9_4.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<component name="libraryTable">
-  <library name="minimal-json-0.9.4">
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/build/libraries/minimal-json-0.9.4.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES />
-  </library>
-</component>
\ No newline at end of file
diff --git a/build/libraries/hikaricp/javassist-3.20.0-GA.jar b/build/libraries/hikaricp/javassist-3.20.0-GA.jar
deleted file mode 100644
index 0f1ff72..0000000
--- a/build/libraries/hikaricp/javassist-3.20.0-GA.jar
+++ /dev/null
Binary files differ
diff --git a/build/libraries/hikaricp/javassist-3.27.0-GA.jar b/build/libraries/hikaricp/javassist-3.27.0-GA.jar
new file mode 100644
index 0000000..092e59b
--- /dev/null
+++ b/build/libraries/hikaricp/javassist-3.27.0-GA.jar
Binary files differ