diff --git a/modules/web/09-enumeration-of-files-and-directories/docker/Dockerfile b/modules/web/09-enumeration-of-files-and-directories/docker/Dockerfile
index 35da66e..439bf0d 100644
--- a/modules/web/09-enumeration-of-files-and-directories/docker/Dockerfile
+++ b/modules/web/09-enumeration-of-files-and-directories/docker/Dockerfile
@@ -1,5 +1,10 @@
 FROM php:7.2-fpm
 
+
+RUN sed -i 's|deb.debian.org|archive.debian.org|g' /etc/apt/sources.list && \
+    sed -i 's|security.debian.org|archive.debian.org|g' /etc/apt/sources.list && \
+    echo 'Acquire::Check-Valid-Until "false";' > /etc/apt/apt.conf.d/99no-check-valid-until
+
 RUN apt-get update -y
 RUN apt-get install -y nginx
 
@@ -12,4 +17,4 @@ COPY --chown=www-data:www-data www/prod/. /var/www/prod/
 
 EXPOSE 80 443
 
-ENTRYPOINT ["sh", "/etc/entrypoint.sh"]
\ No newline at end of file
+ENTRYPOINT ["sh", "/etc/entrypoint.sh"]
diff --git a/modules/web/10-enumeration-of-virtual-hosts/docker/Dockerfile b/modules/web/10-enumeration-of-virtual-hosts/docker/Dockerfile
index 0613df9..6acbdbc 100644
--- a/modules/web/10-enumeration-of-virtual-hosts/docker/Dockerfile
+++ b/modules/web/10-enumeration-of-virtual-hosts/docker/Dockerfile
@@ -1,5 +1,9 @@
 FROM php:7.2-fpm
 
+RUN sed -i 's|deb.debian.org|archive.debian.org|g' /etc/apt/sources.list && \
+    sed -i 's|security.debian.org|archive.debian.org|g' /etc/apt/sources.list && \
+    echo 'Acquire::Check-Valid-Until "false";' > /etc/apt/apt.conf.d/99no-check-valid-until
+
 RUN apt-get update -y
 RUN apt-get install -y nginx
 
@@ -16,4 +20,4 @@ COPY --chown=www-data:www-data www/html/. /var/www/html/
 
 EXPOSE 80 443
 
-ENTRYPOINT ["sh", "/etc/entrypoint.sh"]
\ No newline at end of file
+ENTRYPOINT ["sh", "/etc/entrypoint.sh"]
diff --git a/modules/web/11-enumeration-of-parameters/Dockerfile b/modules/web/11-enumeration-of-parameters/Dockerfile
index e8b11ab..6ad7a0e 100644
--- a/modules/web/11-enumeration-of-parameters/Dockerfile
+++ b/modules/web/11-enumeration-of-parameters/Dockerfile
@@ -1,5 +1,10 @@
 FROM php:7.2-fpm
 
+
+RUN sed -i 's|deb.debian.org|archive.debian.org|g' /etc/apt/sources.list && \
+    sed -i 's|security.debian.org|archive.debian.org|g' /etc/apt/sources.list && \
+    echo 'Acquire::Check-Valid-Until "false";' > /etc/apt/apt.conf.d/99no-check-valid-until
+
 RUN apt-get update -y
 RUN apt-get install -y nginx
 
@@ -10,4 +15,4 @@ COPY --chown=www-data:www-data www/html/. /var/www/html/
 
 EXPOSE 80 443
 
-ENTRYPOINT ["sh", "/etc/entrypoint.sh"]
\ No newline at end of file
+ENTRYPOINT ["sh", "/etc/entrypoint.sh"]