diff --git a/config/projects/google-fluentd.rb b/config/projects/google-fluentd.rb
index 2a7ec8b8..9b9af47c 100644
--- a/config/projects/google-fluentd.rb
+++ b/config/projects/google-fluentd.rb
@@ -8,7 +8,7 @@
 description "Google Fluentd: A data collector for Google Cloud Logging"
 
 install_dir     "/opt/google-fluentd"
-build_version   "1.6.5"
+build_version   "1.6.6"
 build_iteration 1
 
 # creates required build directories
diff --git a/docker/Dockerfile b/docker/Dockerfile
index d48c3194..cc13fa4c 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -3,7 +3,7 @@ FROM debian:9.6-slim
 # Default google-fluentd to the latest stable.
 # Use `docker build --build-arg REPO_SUFFIX=<CUSTOM_REPO_SUFFIX>` to override
 # the version.
-ARG REPO_SUFFIX=20190217-1
+ARG REPO_SUFFIX=20190316-1
 
 COPY entrypoint.sh Dockerfile /
 
diff --git a/plugin_gems.rb b/plugin_gems.rb
index 393e9be0..7b4209f9 100644
--- a/plugin_gems.rb
+++ b/plugin_gems.rb
@@ -22,7 +22,7 @@
 # This is an indirect dependency of fluent-plugin-td-monitoring.
 download "mixlib-cli", "1.7.0"
 download "fluent-plugin-td-monitoring", "0.2.2"
-download "fluent-plugin-google-cloud", "0.7.5"
+download "fluent-plugin-google-cloud", "0.7.6"
 download "fluent-plugin-detect-exceptions", "0.0.10"
 download "prometheus-client", "0.4.2"
 download "fluent-plugin-multi-format-parser", "0.1.1"
diff --git a/windows-installer/generate_sdl_agent_exe.ps1 b/windows-installer/generate_sdl_agent_exe.ps1
index d651422f..797bcd29 100644
--- a/windows-installer/generate_sdl_agent_exe.ps1
+++ b/windows-installer/generate_sdl_agent_exe.ps1
@@ -175,7 +175,7 @@ $env:Path = [System.Environment]::GetEnvironmentVariable("Path","Machine") + ";"
 
 & $GEM_CMD install fluentd:0.14.15 --no-ri --no-rdoc --no-document
 & $GEM_CMD install windows-pr:1.2.5 win32-ipc:0.6.6 win32-event:0.6.3 win32-eventlog:0.6.6 win32-service:0.8.9 fluent-plugin-windows-eventlog:0.2.1 --no-ri --no-rdoc --no-document
-& $GEM_CMD install protobuf:3.6 google-protobuf:3.5.1 grpc:1.8.3 googleapis-common-protos:1.3.4 fluent-plugin-google-cloud:0.7.5 --no-ri --no-rdoc --no-document
+& $GEM_CMD install protobuf:3.6 google-protobuf:3.5.1 grpc:1.8.3 googleapis-common-protos:1.3.4 fluent-plugin-google-cloud:0.7.6 --no-ri --no-rdoc --no-document
 
 ##############################
 #  STEP 5.1 - TEMPORARY HACK TO UPDATE RUBY FILE