diff --git a/build.sbt b/build.sbt
index ad28306..51447d3 100644
--- a/build.sbt
+++ b/build.sbt
@@ -57,7 +57,7 @@
   "fr.brouillard.oss.security.xhub" % "xhub4j-core"                  % "1.0.0",
   "com.github.bkromhout"            % "java-diff-utils"              % "2.1.1",
   "org.cache2k"                     % "cache2k-all"                  % "1.0.2.Final",
-  "com.enragedginger"               %% "akka-quartz-scheduler"       % "1.7.0-akka-2.5.x" exclude ("c3p0", "c3p0"),
+  "com.enragedginger"               %% "akka-quartz-scheduler"       % "1.7.0-akka-2.5.x" exclude ("c3p0", "c3p0") exclude ("com.zaxxer", "HikariCP-java6"),
   "net.coobird"                     % "thumbnailator"                % "0.4.8",
   "com.github.zafarkhaja"           % "java-semver"                  % "0.9.0",
   "com.nimbusds"                    % "oauth2-oidc-sdk"              % "5.64.4",
diff --git a/project/plugins.sbt b/project/plugins.sbt
index daba3aa..238030a 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -6,4 +6,5 @@
 addSbtPlugin("org.scalatra.sbt" % "sbt-scalatra" % "1.0.3")
 addSbtPlugin("com.jsuereth"     % "sbt-pgp"      % "1.1.2")
 addSbtCoursier
-addSbtPlugin("com.typesafe.sbt" % "sbt-license-report" % "1.2.0")
+addSbtPlugin("com.typesafe.sbt" % "sbt-license-report"   % "1.2.0")
+addSbtPlugin("net.virtual-void" % "sbt-dependency-graph" % "0.9.2")