diff --git a/Dockerfile b/Dockerfile
index 6603f6e..c8a5408 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -53,6 +53,9 @@ RUN curl -SLO "http://apache.org/dyn/closer.cgi?action=download&filename=guacamo
  && rm -rf guacamole-server-${GUAC_VER}.tar.gz guacamole-server-${GUAC_VER} \
  && ldconfig
 
+# Create directory for extensions
+RUN mkdir ${GUACAMOLE_HOME}/extensions-available
+
 # Install guacamole-client and postgres auth adapter
 RUN set -x \
   && rm -rf ${CATALINA_HOME}/webapps/ROOT \
@@ -60,14 +63,27 @@ RUN set -x \
   && curl -SLo ${GUACAMOLE_HOME}/lib/postgresql-42.1.4.jar "https://jdbc.postgresql.org/download/postgresql-42.2.24.jar" \
   && curl -SLO "http://apache.org/dyn/closer.cgi?action=download&filename=guacamole/${GUAC_VER}/binary/guacamole-auth-jdbc-${GUAC_VER}.tar.gz" \
   && tar -xzf guacamole-auth-jdbc-${GUAC_VER}.tar.gz \
-  && cp -R guacamole-auth-jdbc-${GUAC_VER}/postgresql/guacamole-auth-jdbc-postgresql-${GUAC_VER}.jar ${GUACAMOLE_HOME}/extensions/ \
+  && cp guacamole-auth-jdbc-${GUAC_VER}/postgresql/guacamole-auth-jdbc-postgresql-${GUAC_VER}.jar ${GUACAMOLE_HOME}/extensions/ \
+  && cp guacamole-auth-jdbc-${GUAC_VER}/postgresql/guacamole-auth-jdbc-postgresql-${GUAC_VER}.jar ${GUACAMOLE_HOME}/extensions-available/ \
+  && cp guacamole-auth-jdbc-${GUAC_VER}/mysql/guacamole-auth-jdbc-mysql-${GUAC_VER}.jar ${GUACAMOLE_HOME}/extensions-available/ \
+  && cp guacamole-auth-jdbc-${GUAC_VER}/sqlserver/guacamole-auth-jdbc-sqlserver-${GUAC_VER}.jar ${GUACAMOLE_HOME}/extensions-available/ \
   && cp -R guacamole-auth-jdbc-${GUAC_VER}/postgresql/schema ${GUACAMOLE_HOME}/ \
   && rm -rf guacamole-auth-jdbc-${GUAC_VER} guacamole-auth-jdbc-${GUAC_VER}.tar.gz
 
+
+RUN set -xe \
+  && echo "https://dlcdn.apache.org/guacamole/${GUAC_VER}/binary/guacamole-auth-sso-${GUAC_VER}.tar.gz" \
+  && curl -SLO "https://dlcdn.apache.org/guacamole/${GUAC_VER}/binary/guacamole-auth-sso-${GUAC_VER}.tar.gz" \
+  && tar -xzf guacamole-auth-sso-${GUAC_VER}.tar.gz \
+  && cp guacamole-auth-sso-${GUAC_VER}/cas/guacamole-auth-sso-cas-${GUAC_VER}.jar ${GUACAMOLE_HOME}/extensions-available/ \
+  && cp guacamole-auth-sso-${GUAC_VER}/openid/guacamole-auth-sso-openid-${GUAC_VER}.jar ${GUACAMOLE_HOME}/extensions-available/ \
+  && cp guacamole-auth-sso-${GUAC_VER}/saml/guacamole-auth-sso-saml-${GUAC_VER}.jar ${GUACAMOLE_HOME}/extensions-available/ \
+  && rm -rf guacamole-auth-sso-${GUAC_VER} guacamole-auth-sso-${GUAC_VER}.tar.gz
+
+
 # Add optional extensions
 RUN set -xe \
-  && mkdir ${GUACAMOLE_HOME}/extensions-available \
-  && for i in auth-ldap auth-duo auth-header auth-cas auth-openid auth-quickconnect auth-totp; do \
+  && for i in auth-duo auth-header auth-json auth-ldap auth-quickconnect auth-totp; do \
     echo "https://dlcdn.apache.org/guacamole/${GUAC_VER}/binary/guacamole-${i}-${GUAC_VER}.tar.gz" \
     && curl -SLO "https://dlcdn.apache.org/guacamole/${GUAC_VER}/binary/guacamole-${i}-${GUAC_VER}.tar.gz" \
     && tar -xzf guacamole-${i}-${GUAC_VER}.tar.gz \