diff --git a/Dockerfile.alpine b/Dockerfile.alpine
index 7572da8..f710eef 100644
--- a/Dockerfile.alpine
+++ b/Dockerfile.alpine
@@ -23,11 +23,11 @@ ADD ./etc /etc
 
 # COPY INIT SCRIPT
 ADD ./scripts/php-fpm-init-alpine /usr/local/bin/php-fpm-init
-RUN chmod +x /usr/local/bin/php-fpm-init
+RUN chmod 755 /usr/local/bin/php-fpm-init
 
 # INSTALL PHP FPM HEALTHCHECK UTILITIES
 ADD https://raw.githubusercontent.com/renatomefi/php-fpm-healthcheck/master/php-fpm-healthcheck /usr/local/bin
-RUN chmod +x /usr/local/bin/php-fpm-healthcheck
+RUN chmod 755 /usr/local/bin/php-fpm-healthcheck
 
 # CLEAN APK CACHES
 RUN rm -vrf /var/cache/apk/*
diff --git a/Dockerfile.alpine-rootless b/Dockerfile.alpine-rootless
index 51f0583..3edfcb1 100644
--- a/Dockerfile.alpine-rootless
+++ b/Dockerfile.alpine-rootless
@@ -30,11 +30,11 @@ ADD ./etc/php/fpm/pool.d-rootless /etc/php/fpm/pool.d
 
 # COPY INIT SCRIPT
 ADD ./scripts/php-fpm-init-alpine-rootless /usr/local/bin/php-fpm-init
-RUN chmod +x /usr/local/bin/php-fpm-init
+RUN chmod 755 /usr/local/bin/php-fpm-init
 
 # INSTALL PHP FPM HEALTHCHECK UTILITIES
 ADD https://raw.githubusercontent.com/renatomefi/php-fpm-healthcheck/master/php-fpm-healthcheck /usr/local/bin
-RUN chmod +x /usr/local/bin/php-fpm-healthcheck
+RUN chmod 755 /usr/local/bin/php-fpm-healthcheck
 
 # CLEAN APK CACHES
 RUN rm -vrf /var/cache/apk/*
diff --git a/Dockerfile.ubuntu b/Dockerfile.ubuntu
index a2aa998..bf371bb 100644
--- a/Dockerfile.ubuntu
+++ b/Dockerfile.ubuntu
@@ -22,11 +22,11 @@ ADD ./etc/php/fpm /etc/php/fpm
 
 # COPY INIT SCRIPT
 ADD ./scripts/php-fpm-init /usr/local/bin/php-fpm-init
-RUN chmod +x /usr/local/bin/php-fpm-init
+RUN chmod 755 /usr/local/bin/php-fpm-init
 
 # INSTALL PHP FPM HEALTHCHECK UTILITIES
 ADD https://raw.githubusercontent.com/renatomefi/php-fpm-healthcheck/master/php-fpm-healthcheck /usr/local/bin
-RUN chmod +x /usr/local/bin/php-fpm-healthcheck
+RUN chmod 755 /usr/local/bin/php-fpm-healthcheck
 
 # CLEAN APT CACHE
 RUN apt -y clean
diff --git a/Dockerfile.ubuntu-rootless b/Dockerfile.ubuntu-rootless
index ae74e60..d86ebab 100644
--- a/Dockerfile.ubuntu-rootless
+++ b/Dockerfile.ubuntu-rootless
@@ -28,11 +28,11 @@ ADD ./etc/php/fpm /etc/php/fpm
 
 # COPY INIT SCRIPT
 ADD ./scripts/php-fpm-init /usr/local/bin/php-fpm-init
-RUN chmod +x /usr/local/bin/php-fpm-init
+RUN chmod 755 /usr/local/bin/php-fpm-init
 
 # INSTALL PHP FPM HEALTHCHECK UTILITIES
 ADD https://raw.githubusercontent.com/renatomefi/php-fpm-healthcheck/master/php-fpm-healthcheck /usr/local/bin
-RUN chmod +x /usr/local/bin/php-fpm-healthcheck
+RUN chmod 755 /usr/local/bin/php-fpm-healthcheck
 
 # CLEAN APT CACHE
 RUN apt -y clean