diff --git a/php/7.3/Dockerfile b/php/7.3/Dockerfile
index 6d7fe57..73b3ee0 100644
--- a/php/7.3/Dockerfile
+++ b/php/7.3/Dockerfile
@@ -25,6 +25,7 @@ RUN \
         libxml2-utils \
         libxslt-dev \
         libzip-dev \
+        procps \
         ssh-client \
         ssmtp \
         unzip
diff --git a/php/7.4/Dockerfile b/php/7.4/Dockerfile
index 566292a..6b5a789 100644
--- a/php/7.4/Dockerfile
+++ b/php/7.4/Dockerfile
@@ -25,6 +25,7 @@ RUN \
         libxml2-utils \
         libxslt-dev \
         libzip-dev \
+        procps \
         ssh-client \
         ssmtp \
         unzip
diff --git a/php/8.0/Dockerfile b/php/8.0/Dockerfile
index 967d771..9ca8f10 100644
--- a/php/8.0/Dockerfile
+++ b/php/8.0/Dockerfile
@@ -25,6 +25,7 @@ RUN \
         libxml2-utils \
         libxslt-dev \
         libzip-dev \
+        procps \
         ssh-client \
         ssmtp \
         unzip
diff --git a/php/8.1/Dockerfile b/php/8.1/Dockerfile
index f896bdd..74e832d 100644
--- a/php/8.1/Dockerfile
+++ b/php/8.1/Dockerfile
@@ -25,6 +25,7 @@ RUN \
         libxml2-utils \
         libxslt-dev \
         libzip-dev \
+        procps \
         ssh-client \
         ssmtp \
         unzip
diff --git a/php/8.2/Dockerfile b/php/8.2/Dockerfile
index c0426a9..1484cc3 100644
--- a/php/8.2/Dockerfile
+++ b/php/8.2/Dockerfile
@@ -25,6 +25,7 @@ RUN \
         libxml2-utils \
         libxslt-dev \
         libzip-dev \
+        procps \
         ssh-client \
         ssmtp \
         unzip