diff --git a/3.10.x/Dockerfile b/3.10.x/Dockerfile
index 297c13c3..ec820298 100644
--- a/3.10.x/Dockerfile
+++ b/3.10.x/Dockerfile
@@ -1,8 +1,9 @@
 FROM openjdk:11-jre-slim-buster
 
-# Install GPG for package vefification
+# Install GPG for package vefification and WGET for file download
 RUN apt-get update \
-	&& apt-get -y install gnupg wget
+    && apt-get -y install gnupg wget \    
+    && rm -rf /var/lib/apt/lists/*
 
 # Add the liquibase user and step in the directory
 RUN addgroup --gid 1001 liquibase
@@ -28,9 +29,7 @@ RUN set -x \
 # Setup GPG
 RUN GNUPGHOME="$(mktemp -d)" 
 
-
 # Download JDBC libraries, verify
-
 RUN wget -O /liquibase/lib/postgresql.jar https://repo1.maven.org/maven2/org/postgresql/postgresql/42.2.12/postgresql-42.2.12.jar \
 	&& wget -O /liquibase/lib/postgresql.jar.asc https://repo1.maven.org/maven2/org/postgresql/postgresql/42.2.12/postgresql-42.2.12.jar.asc \
     && gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys 38F47D3E410C47B1 \
@@ -77,12 +76,12 @@ RUN wget -O /liquibase/lib/sqlite.jar https://repo1.maven.org/maven2/org/xerial/
     && gpg --batch --verify -fSLo /liquibase/lib/sqlite.jar.asc /liquibase/lib/sqlite.jar 
 
 # No key published to Maven Central, using SHA256SUM
-
 ARG MYSQL_SHA256=f93c6d717fff1bdc8941f0feba66ac13692e58dc382ca4b543cabbdb150d8bf7
+
 RUN wget -O /liquibase/lib/mysql.jar https://repo1.maven.org/maven2/mysql/mysql-connector-java/8.0.19/mysql-connector-java-8.0.19.jar \
 	&& echo "$MYSQL_SHA256  /liquibase/lib/mysql.jar" | sha256sum -c - 
 
 COPY --chown=liquibase:liquibase docker-entrypoint.sh /usr/local/bin/
 RUN chmod 0755 /usr/local/bin/docker-entrypoint.sh
 ENTRYPOINT ["docker-entrypoint.sh"]
-CMD ["--help"]
\ No newline at end of file
+CMD ["--help"]
diff --git a/Dockerfile b/Dockerfile
index cbec9dc7..bafb25f7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,9 @@
 FROM openjdk:11-jre-slim-buster
 
-# Install GPG for package vefification
+# Install GNUPG for package vefification and WGET for file download
 RUN apt-get update \
-	&& apt-get -y install gnupg wget
+    && apt-get -y install gnupg wget \
+    && rm -rf /var/lib/apt/lists/*
 
 # Add the liquibase user and step in the directory
 RUN addgroup --gid 1001 liquibase
@@ -28,9 +29,7 @@ RUN set -x \
 # Setup GPG
 RUN GNUPGHOME="$(mktemp -d)" 
 
-
 # Download JDBC libraries, verify
-
 RUN wget -O /liquibase/lib/postgresql.jar https://repo1.maven.org/maven2/org/postgresql/postgresql/42.2.12/postgresql-42.2.12.jar \
 	&& wget -O /liquibase/lib/postgresql.jar.asc https://repo1.maven.org/maven2/org/postgresql/postgresql/42.2.12/postgresql-42.2.12.jar.asc \
     && gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys 38F47D3E410C47B1 \
@@ -77,12 +76,12 @@ RUN wget -O /liquibase/lib/sqlite.jar https://repo1.maven.org/maven2/org/xerial/
     && gpg --batch --verify -fSLo /liquibase/lib/sqlite.jar.asc /liquibase/lib/sqlite.jar 
 
 # No key published to Maven Central, using SHA256SUM
-
 ARG MYSQL_SHA256=f93c6d717fff1bdc8941f0feba66ac13692e58dc382ca4b543cabbdb150d8bf7
+
 RUN wget -O /liquibase/lib/mysql.jar https://repo1.maven.org/maven2/mysql/mysql-connector-java/8.0.19/mysql-connector-java-8.0.19.jar \
 	&& echo "$MYSQL_SHA256  /liquibase/lib/mysql.jar" | sha256sum -c - 
 
 COPY --chown=liquibase:liquibase docker-entrypoint.sh /usr/local/bin/
 RUN chmod 0755 /usr/local/bin/docker-entrypoint.sh
 ENTRYPOINT ["docker-entrypoint.sh"]
-CMD ["--help"]
\ No newline at end of file
+CMD ["--help"]