diff --git a/build.gradle b/build.gradle
index 8e83abb1830..22962709550 100644
--- a/build.gradle
+++ b/build.gradle
@@ -38,8 +38,8 @@ configure(subprojects) {
         fontawesomefxVersion = '8.0.0'
         fontawesomefxCommonsVersion = '9.1.2'
         fontawesomefxMaterialdesignfontVersion = '2.0.26-9.1.2'
-        grpcVersion = '1.25.0'
-        gsonVersion = '2.8.5'
+        grpcVersion = '1.30.2'
+        gsonVersion = '2.8.6'
         guavaVersion = '20.0'
         guiceVersion = '4.2.2'
         hamcrestVersion = '1.3'
diff --git a/gradle/witness/gradle-witness.gradle b/gradle/witness/gradle-witness.gradle
index 08f74f9f510..801a255b7e6 100644
--- a/gradle/witness/gradle-witness.gradle
+++ b/gradle/witness/gradle-witness.gradle
@@ -32,13 +32,13 @@ dependencyVerification {
         'com.github.ravn:jsocks:3c71600af027b2b6d4244e4ad14d98ff2352a379410daebefff5d8cd48d742a4',
         'com.github.sarxos:webcam-capture:d960b7ea8ec3ddf2df0725ef214c3fccc9699ea7772df37f544e1f8e4fd665f6',
         'com.google.android:annotations:ba734e1e84c09d615af6a09d33034b4f0442f8772dec120efb376d86a565ae15',
-        'com.google.api.grpc:proto-google-common-protos:bd60cd7a423b00fb824c27bdd0293aaf4781be1daba6ed256311103fb4b84108',
+        'com.google.api.grpc:proto-google-common-protos:ad25472c73ee470606fb500b376ae5a97973d5406c2f5c3b7d07fb25b4648b65',
         'com.google.code.findbugs:jsr305:766ad2a0783f2687962c8ad74ceecc38a28b9f72a2d085ee438b7813e928d0c7',
-        'com.google.code.gson:gson:233a0149fc365c9f6edbd683cfe266b19bdc773be98eabdaf6b3c924b48e7d81',
-        'com.google.errorprone:error_prone_annotations:ec59f1b702d9afc09e8c3929f5c42777dec623a6ea2731ac694332c7d7680f5a',
+        'com.google.code.gson:gson:c8fb4839054d280b3033f800d1f5a97de2f028eb8ba2eb458ad287e536f3f25f',
+        'com.google.errorprone:error_prone_annotations:baf7d6ea97ce606c53e11b6854ba5f2ce7ef5c24dddf0afa18d1260bd25b002c',
         'com.google.guava:guava:36a666e3b71ae7f0f0dca23654b67e086e6c93d192f60ba5dfd5519db6c288c8',
         'com.google.inject:guice:d258ff1bd9b8b527872f8402648226658ad3149f1f40e74b0566d69e7e042fbc',
-        'com.google.protobuf:protobuf-java:161d7d61a8cb3970891c299578702fd079646e032329d6c2cabf998d191437c9',
+        'com.google.protobuf:protobuf-java:a98ed5a0272cdda6bde98fe15e794e3d99ec04554dba0ba8e0a49ff5cecc5e9e',
         'com.google.zxing:core:11aae8fd974ab25faa8208be50468eb12349cd239e93e7c797377fa13e381729',
         'com.google.zxing:javase:0ec23e2ec12664ddd6347c8920ad647bb3b9da290f897a88516014b56cc77eb9',
         'com.googlecode.jcsv:jcsv:73ca7d715e90c8d2c2635cc284543b038245a34f70790660ed590e157b8714a2',
@@ -54,15 +54,13 @@ dependencyVerification {
         'de.jensd:fontawesomefx-commons:5539bb3335ecb822dbf928546f57766eeb9f1516cc1417a064b5709629612149',
         'de.jensd:fontawesomefx-materialdesignfont:dbad8dfdd1c85e298d5bbae25b2399aec9e85064db57b2427d10f3815aa98752',
         'de.jensd:fontawesomefx:73bacc991a0a6f5cf0f911767c8db161e0949dbca61e8371eb4342e3da96887b',
-        'io.grpc:grpc-api:a269094009588213ab5386a6fb92426b8056a130b2653d3b4e59e971f2f1ef08',
-        'io.grpc:grpc-context:f4c8f878c320f6fb56c1c14692618f6df8253314b556176e32727afbc5921a73',
-        'io.grpc:grpc-core:d67fa113fd9cc45a02710f9c41dda9c15191448c14e9e96fcc21839a41345d4c',
-        'io.grpc:grpc-netty-shaded:9edfd45da473d2efbb5683fc3eaf1857e82d2148033d82dd558a7ac38731ea33',
-        'io.grpc:grpc-protobuf-lite:9ba9aaa3e6997a04c707793c25e3ec88c6bad86f8d6f6b8b7a1a0c33ea2429d8',
-        'io.grpc:grpc-protobuf:454dae7e246dac25526ed5b795d97a5dafedd3cc2042cfc810f02051d7d3e3cb',
-        'io.grpc:grpc-stub:1532e291c0e9fd8230a6416c8ebbd902d99c7e2760241ae638ea761aa3dd5f43',
-        'io.opencensus:opencensus-api:8e2cb0f6391d8eb0a1bcd01e7748883f0033b1941754f4ed3f19d2c3e4276fc8',
-        'io.opencensus:opencensus-contrib-grpc-metrics:29fc79401082301542cab89d7054d2f0825f184492654c950020553ef4ff0ef8',
+        'io.grpc:grpc-api:b8e37990bc20108bb0c4bd6c4993735ab13aada6a1320c7a1421677cedbff428',
+        'io.grpc:grpc-context:0ce137485076ec2afab689251d160dc625401e4cc2fab61edec55611a131100d',
+        'io.grpc:grpc-core:e8717542c6e2c678be35ba12debabb365e54b60027f142aa330eb31ef709c98e',
+        'io.grpc:grpc-netty-shaded:6af1ea0b30e6c90a68b2a91384866b269744de4db82c8ef77f2c01464a8c40fd',
+        'io.grpc:grpc-protobuf-lite:c169013f0a9670c785f148d809486b5a4fa8cc1566bd146b179b3080ea2d23f7',
+        'io.grpc:grpc-protobuf:33cfd4b4051f12e177a3ddf7f011b0f8d08994334a02f0840369be27d0b2cdb4',
+        'io.grpc:grpc-stub:81daa3aa1d853633d8ffcdb27238fbaa3f471aa2f7afacd9590f8769593f592f',
         'io.perfmark:perfmark-api:b734ba2149712409a44eabdb799f64768578fee0defe1418bb108fe32ea43e1a',
         'javax.inject:javax.inject:91c77044a50c481636c32d916fd89c9118a72195390452c81065080f957de7ff',
         'net.glxn:qrgen:c85d9d8512d91e8ad11fe56259a7825bd50ce0245447e236cf168d1b17591882',