diff --git a/build.sbt b/build.sbt
index 5ec16b9..8384de7 100644
--- a/build.sbt
+++ b/build.sbt
@@ -51,7 +51,7 @@ libraryDependencies ++= {
     "org.phenoscape" %% "kb-owl-tools" % "1.13.0" exclude ("org.slf4j", "slf4j-log4j12") exclude ("log4j", "log4j"),
     "org.phenoscape" %% "phenoscape-kb-ingest" % "1.6.2" exclude ("log4j", "log4j"),
     "org.phenoscape" % "phenex" % "1.17.2" exclude ("org.slf4j", "slf4j-log4j12") exclude ("net.sourceforge.owlapi", "owlapi-apibinding") exclude ("log4j", "log4j"),
-    "commons-io" % "commons-io" % "2.11.0" exclude ("log4j", "log4j"),
+    "commons-io" % "commons-io" % "2.17.0" exclude ("log4j", "log4j"),
     "org.apache.jena" % "apache-jena-libs" % "3.17.0" exclude ("org.slf4j", "slf4j-log4j12"),
     "org.scalaz" %% "scalaz-core" % "7.2.33",
     "org.bbop" % "oboformat" % "0.5.5" exclude ("net.sourceforge.owlapi", "owlapi-apibinding") exclude ("log4j", "log4j"),