diff --git a/lib/deps.json b/lib/deps.json
index c21f552..b5455d5 100644
--- a/lib/deps.json
+++ b/lib/deps.json
@@ -215,7 +215,7 @@
     "javax.servlet-api": "mvn:javax.servlet:javax.servlet-api:3.1.0",
     "joda-time": "mvn:joda-time:joda-time:2.9.3",
     "jsch": "mvn:com.jcraft:jsch:0.1.53",
-    "com_google_code_findbugs_jsr305": "mvn:com.google.code.findbugs:jsr305:3.0.1",
+    "com_google_code_findbugs_jsr305": "mvn:com.google.code.findbugs:jsr305:3.0.2",
     "junit": "mvn:junit:junit:4.12",
     "junit-dep": "mvn:junit:junit:4.10",
     "kryo": "mvn:com.esotericsoftware:kryo:4.0.1",
@@ -228,18 +228,18 @@
     "minimal-json": "mvn:com.eclipsesource.minimal-json:minimal-json:0.9.4",
     "minlog": "mvn:com.esotericsoftware:minlog:1.3.0",
     "io_netty_netty": "mvn:io.netty:netty:3.10.5.Final",
-    "io_netty_netty_buffer": "mvn:io.netty:netty-buffer:4.1.27.Final",
-    "io_netty_netty_codec": "mvn:io.netty:netty-codec:4.1.27.Final",
-    "io_netty_netty_common": "mvn:io.netty:netty-common:4.1.27.Final",
-    "io_netty_netty_handler": "mvn:io.netty:netty-handler:4.1.27.Final",
-    "io_netty_netty_handler_proxy": "mvn:io.netty:netty-handler-proxy:4.1.27.Final",
-    "io_netty_netty_transport": "mvn:io.netty:netty-transport:4.1.27.Final",
-    "io_netty_netty_transport_native_unix_common": "mvn:io.netty:netty-transport-native-unix-common:4.1.27.Final",
-    "io_netty_netty_transport-native-epoll": "mvn:io.netty:netty-transport-native-epoll:4.1.27.Final",
-    "io_netty_netty_resolver": "mvn:io.netty:netty-resolver:4.1.27.Final",
-    "io_netty_netty_codec-http2": "mvn:io.netty:netty-codec-http2:4.1.27.Final",
-    "io_netty_netty_codec-http": "mvn:io.netty:netty-codec-http:4.1.27.Final",
-    "io_netty_netty_codec-socks": "mvn:io.netty:netty-codec-socks:4.1.27.Final",
+    "io_netty_netty_buffer": "mvn:io.netty:netty-buffer:4.1.32.Final",
+    "io_netty_netty_codec": "mvn:io.netty:netty-codec:4.1.32.Final",
+    "io_netty_netty_common": "mvn:io.netty:netty-common:4.1.32.Final",
+    "io_netty_netty_handler": "mvn:io.netty:netty-handler:4.1.32.Final",
+    "io_netty_netty_handler_proxy": "mvn:io.netty:netty-handler-proxy:4.1.32.Final",
+    "io_netty_netty_transport": "mvn:io.netty:netty-transport:4.1.32.Final",
+    "io_netty_netty_transport_native_unix_common": "mvn:io.netty:netty-transport-native-unix-common:4.1.32.Final",
+    "io_netty_netty_transport-native-epoll": "mvn:io.netty:netty-transport-native-epoll:4.1.32.Final",
+    "io_netty_netty_resolver": "mvn:io.netty:netty-resolver:4.1.32.Final",
+    "io_netty_netty_codec-http2": "mvn:io.netty:netty-codec-http2:4.1.32.Final",
+    "io_netty_netty_codec-http": "mvn:io.netty:netty-codec-http:4.1.32.Final",
+    "io_netty_netty_codec-socks": "mvn:io.netty:netty-codec-socks:4.1.32.Final",
     "objenesis": "mvn:org.objenesis:objenesis:2.6",
     "openflowj": "mvn:org.onosproject:openflowj:3.2.1.onos",
     "org.osgi.util.function": "mvn:org.osgi:org.osgi.util.function:1.1.0",
@@ -285,11 +285,13 @@
     "engine.io-client": "mvn:io.socket:engine.io-client:jar:0.8.3",
 
     // grpc related jars
-    "com_google_api_grpc_proto_google_common_protos": "mvn:com.google.api.grpc:proto-google-common-protos:1.0.0",
-    "com_google_errorprone_error_prone_annotations": "mvn:com.google.errorprone:error_prone_annotations:2.1.2",
+    "com_google_api_grpc_proto_google_common_protos": "mvn:com.google.api.grpc:proto-google-common-protos:1.12.0",
+    "com_google_errorprone_error_prone_annotations": "mvn:com.google.errorprone:error_prone_annotations:2.3.2",
     "com_google_auth_google_auth_library_credentials": "mvn:com.google.auth:google-auth-library-credentials:0.9.0",
-    "io_opencensus_opencensus_api": "mvn:io.opencensus:opencensus-api:0.12.3",
-    "io_opencensus_opencensus_contrib_grpc_metrics": "mvn:io.opencensus:opencensus-contrib-grpc-metrics:0.12.3",
+    "com_google_auth_google_auth_library_oauth2_http": "mvn:com.google.auth:google-auth-library-oauth2-http:0.9.0",
+    "com_google_j2objc_j2objc_annotations": "mvn:com.google.j2objc:j2objc-annotations:1.1",
+    "io_opencensus_opencensus_api": "mvn:io.opencensus:opencensus-api:0.18.0",
+    "io_opencensus_opencensus_contrib_grpc_metrics": "mvn:io.opencensus:opencensus-contrib-grpc-metrics:0.18.0",
 
     // Openstack4j related jars
     "openstack4j-core": "mvn:org.pacesys:openstack4j-core:3.1.0",