diff --git a/php-unit-test/5.6/Dockerfile b/php-unit-test/5.6/Dockerfile
index 7de97f93f2c2f69b7e96191cc24862fc1818e7e5..deb885ff970929fafb73c81951baf8eb5c2af4b2 100644
--- a/php-unit-test/5.6/Dockerfile
+++ b/php-unit-test/5.6/Dockerfile
@@ -12,7 +12,9 @@ LABEL org.label-schema.build-date=$BUILD_DATE \
       org.label-schema.schema-version="1.0" \
       maintainer="Alan Nelson <alan.nelson@nebraska.edu>"
 
-RUN apk add --no-cache bash nodejs nodejs-npm
+RUN apk add --no-cache bash nodejs nodejs-npm $PHPIZE_DEPS \
+    && pecl install xdebug \
+    && docker-php-ext-enable xdebug
 RUN curl -o /usr/local/bin/composer https://getcomposer.org/composer.phar \
   && chmod 755 /usr/local/bin/composer
 
diff --git a/php-unit-test/7.0/Dockerfile b/php-unit-test/7.0/Dockerfile
index 1fcfeb735bfb84042b98cdc4abfbbe3bc186183f..3297cd3e5ce3a5eb3327cb427bac78078fffdb12 100644
--- a/php-unit-test/7.0/Dockerfile
+++ b/php-unit-test/7.0/Dockerfile
@@ -12,7 +12,9 @@ LABEL org.label-schema.build-date=$BUILD_DATE \
       org.label-schema.schema-version="1.0" \
       maintainer="Alan Nelson <alan.nelson@nebraska.edu>"
 
-RUN apk add --no-cache bash nodejs nodejs-npm
+RUN apk add --no-cache bash nodejs nodejs-npm $PHPIZE_DEPS \
+    && pecl install xdebug \
+    && docker-php-ext-enable xdebug
 RUN curl -o /usr/local/bin/composer https://getcomposer.org/composer.phar \
   && chmod 755 /usr/local/bin/composer
 
diff --git a/php-unit-test/7.1/Dockerfile b/php-unit-test/7.1/Dockerfile
index cc21add2d2d34ba71298087253febb7e641338ab..f3b93d70836c94cdace26bb59f5cf19c7fa45ea8 100644
--- a/php-unit-test/7.1/Dockerfile
+++ b/php-unit-test/7.1/Dockerfile
@@ -12,7 +12,9 @@ LABEL org.label-schema.build-date=$BUILD_DATE \
       org.label-schema.schema-version="1.0" \
       maintainer="Alan Nelson <alan.nelson@nebraska.edu>"
 
-RUN apk add --no-cache bash nodejs nodejs-npm
+RUN apk add --no-cache bash nodejs nodejs-npm $PHPIZE_DEPS \
+    && pecl install xdebug \
+    && docker-php-ext-enable xdebug
 RUN curl -o /usr/local/bin/composer https://getcomposer.org/composer.phar \
   && chmod 755 /usr/local/bin/composer
 
diff --git a/php-unit-test/7.2/Dockerfile b/php-unit-test/7.2/Dockerfile
index 4c419aab187158b5c0d353bcd4dfbc14efba57a1..1a3c7fedc2f74bd3d612005ed2ec838e94bee8a7 100644
--- a/php-unit-test/7.2/Dockerfile
+++ b/php-unit-test/7.2/Dockerfile
@@ -12,7 +12,9 @@ LABEL org.label-schema.build-date=$BUILD_DATE \
       org.label-schema.schema-version="1.0" \
       maintainer="Alan Nelson <alan.nelson@nebraska.edu>"
 
-RUN apk add --no-cache bash nodejs nodejs-npm
+RUN apk add --no-cache bash nodejs nodejs-npm $PHPIZE_DEPS \
+    && pecl install xdebug \
+    && docker-php-ext-enable xdebug
 RUN curl -o /usr/local/bin/composer https://getcomposer.org/composer.phar \
   && chmod 755 /usr/local/bin/composer