diff --git a/gax-java/dependencies.properties b/gax-java/dependencies.properties
index f6804fefb1..9af27008eb 100644
--- a/gax-java/dependencies.properties
+++ b/gax-java/dependencies.properties
@@ -43,7 +43,7 @@ maven.io_opentelemetry_opentelemetry_api=io.opentelemetry:opentelemetry-api:1.41
 maven.io_opencensus_opencensus_api=io.opencensus:opencensus-api:0.31.1
 maven.io_opencensus_opencensus_contrib_grpc_metrics=io.opencensus:opencensus-contrib-grpc-metrics:0.31.1
 maven.io_opencensus_opencensus_contrib_http_util=io.opencensus:opencensus-contrib-http-util:0.31.1
-maven.io_netty_netty_tcnative_boringssl_static=io.netty:netty-tcnative-boringssl-static:2.0.65.Final
+maven.io_netty_netty_tcnative_boringssl_static=io.netty:netty-tcnative-boringssl-static:2.0.66.Final
 maven.io_netty_netty_handler=io.netty:netty-handler:4.1.112.Final
 maven.io_netty_netty_common=io.netty:netty-common:4.1.112.Final
 maven.io_netty_netty_codec_socks=io.netty:netty-codec-socks:4.1.112.Final