diff --git a/dependencies.properties b/dependencies.properties
index 9b6e908ec..58e05c911 100644
--- a/dependencies.properties
+++ b/dependencies.properties
@@ -23,22 +23,22 @@ version.gax_httpjson=0.78.1-SNAPSHOT
 # Versions for dependencies which actual artifacts differ between Bazel and Gradle.
 # Gradle build depends on prebuilt maven artifacts, while Bazel build depends on Bazel workspaces
 # with the sources.
-version.com_google_protobuf=3.14.0
+version.com_google_protobuf=3.15.2
 version.google_java_format=1.1
-version.io_grpc=1.35.0
+version.io_grpc=1.36.0
 
 # Maven artifacts.
 # Note, the actual name of each property matters (bazel build scripts depend on it).
 # It should be constructed the following way:
 #   1) Take full artifact id (including the group and classifier (if any) portions) and remove version portion.
 #   2) Replace all characters which are neither alphabetic nor digits with the underscore ('_') character
-maven.com_google_api_grpc_proto_google_common_protos=com.google.api.grpc:proto-google-common-protos:1.18.1
-maven.com_google_api_grpc_grpc_google_common_protos=com.google.api.grpc:grpc-google-common-protos:1.18.1
-maven.com_google_auth_google_auth_library_oauth2_http=com.google.auth:google-auth-library-oauth2-http:0.23.0
-maven.com_google_auth_google_auth_library_credentials=com.google.auth:google-auth-library-credentials:0.23.0
-maven.io_opencensus_opencensus_api=io.opencensus:opencensus-api:0.24.0
-maven.io_opencensus_opencensus_contrib_grpc_metrics=io.opencensus:opencensus-contrib-grpc-metrics:0.24.0
-maven.io_opencensus_opencensus_contrib_http_util=io.opencensus:opencensus-contrib-http-util:0.24.0
+maven.com_google_api_grpc_proto_google_common_protos=com.google.api.grpc:proto-google-common-protos:2.0.1
+maven.com_google_api_grpc_grpc_google_common_protos=com.google.api.grpc:grpc-google-common-protos:2.0.1
+maven.com_google_auth_google_auth_library_oauth2_http=com.google.auth:google-auth-library-oauth2-http:0.24.0
+maven.com_google_auth_google_auth_library_credentials=com.google.auth:google-auth-library-credentials:0.24.0
+maven.io_opencensus_opencensus_api=io.opencensus:opencensus-api:0.28.0
+maven.io_opencensus_opencensus_contrib_grpc_metrics=io.opencensus:opencensus-contrib-grpc-metrics:0.28.0
+maven.io_opencensus_opencensus_contrib_http_util=io.opencensus:opencensus-contrib-http-util:0.28.0
 maven.io_netty_netty_tcnative_boringssl_static=io.netty:netty-tcnative-boringssl-static:2.0.36.Final
 maven.io_netty_netty_handler=io.netty:netty-handler:4.1.52.Final
 maven.io_netty_netty_common=io.netty:netty-common:4.1.52.Final
@@ -66,8 +66,8 @@ maven.com_google_api_api_common=com.google.api:api-common:1.10.1
 maven.org_threeten_threetenbp=org.threeten:threetenbp:1.5.0
 maven.com_google_api_grpc_grpc_google_iam_v1=com.google.api.grpc:grpc-google-iam-v1:1.0.9
 maven.com_google_api_grpc_proto_google_iam_v1=com.google.api.grpc:proto-google-iam-v1:1.0.9
-maven.com_google_http_client_google_http_client=com.google.http-client:google-http-client:1.38.1
-maven.com_google_http_client_google_http_client_gson=com.google.http-client:google-http-client-gson:1.38.1
+maven.com_google_http_client_google_http_client=com.google.http-client:google-http-client:1.39.0
+maven.com_google_http_client_google_http_client_gson=com.google.http-client:google-http-client-gson:1.39.0
 maven.org_codehaus_mojo_animal_sniffer_annotations=org.codehaus.mojo:animal-sniffer-annotations:1.18
 maven.javax_annotation_javax_annotation_api=javax.annotation:javax.annotation-api:1.3.2