Update to 7.4.3 7.3.15 7.2.28 (#85)
diff --git a/core/php7.2Action/Dockerfile b/core/php7.2Action/Dockerfile
index 701e798..14de93f 100644
--- a/core/php7.2Action/Dockerfile
+++ b/core/php7.2Action/Dockerfile
@@ -15,7 +15,7 @@
# limitations under the License.
#
-FROM php:7.2.27-alpine
+FROM php:7.2.28-alpine
RUN \
apk update && apk upgrade && \
diff --git a/core/php7.3Action/Dockerfile b/core/php7.3Action/Dockerfile
index 0885ad2..85bc90c 100644
--- a/core/php7.3Action/Dockerfile
+++ b/core/php7.3Action/Dockerfile
@@ -28,7 +28,7 @@
&& cd openwhisk-runtime-go-*/main\
&& GO111MODULE=on go build -o /bin/proxy
-FROM php:7.3.14-cli-stretch
+FROM php:7.3.15-cli-stretch
# select the builder to use
ARG GO_PROXY_BUILD_FROM=release
diff --git a/core/php7.4Action/Dockerfile b/core/php7.4Action/Dockerfile
index 45b0d9f..10ce578 100644
--- a/core/php7.4Action/Dockerfile
+++ b/core/php7.4Action/Dockerfile
@@ -28,7 +28,7 @@
&& cd openwhisk-runtime-go-*/main\
&& GO111MODULE=on go build -o /bin/proxy
-FROM php:7.4.2-cli-buster
+FROM php:7.4.3-cli-buster
# select the builder to use
ARG GO_PROXY_BUILD_FROM=release