diff --git a/.gitignore b/.gitignore
index 8768a02..3b0e2f3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,6 +19,8 @@ hs_err_pid*
 
 
 ### Gradle ###
+gradlew
+gradlew.bat
 .gradle
 /build/
 out/
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..be52383
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.7-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/lib/sqlite-jdbc-3.16.1.jar b/lib/sqlite-jdbc-3.16.1.jar
deleted file mode 100644
index 9d4b5bb..0000000
Binary files a/lib/sqlite-jdbc-3.16.1.jar and /dev/null differ
diff --git a/lib/vault-1.2.27.jar b/lib/vault-1.2.27.jar
deleted file mode 100644
index d14dbb1..0000000
Binary files a/lib/vault-1.2.27.jar and /dev/null differ