diff --git a/build.gradle b/build.gradle
index f1c892c5d81..73ab83a5d17 100644
--- a/build.gradle
+++ b/build.gradle
@@ -106,7 +106,7 @@ dependencies {
     implementation group: 'org.apache.tika', name: 'tika-core', version: '1.25'
 
     // required for reading write-protected PDFs - see https://github.com/JabRef/jabref/pull/942#issuecomment-209252635
-    implementation 'org.bouncycastle:bcprov-jdk15on:1.67'
+    implementation 'org.bouncycastle:bcprov-jdk15on:1.68'
 
     implementation 'commons-cli:commons-cli:1.4'