diff --git a/docker/janus/Dockerfile b/docker/janus/Dockerfile
index 65dcd53..f7f2c62 100644
--- a/docker/janus/Dockerfile
+++ b/docker/janus/Dockerfile
@@ -1,13 +1,13 @@
 # Modified from https://gitlab.com/powerpaul17/nc_talk_backend/-/blob/dcbb918d8716dad1eb72a889d1e6aa1e3a543641/docker/janus/Dockerfile
-FROM alpine:3.13
+FROM alpine:3.14
 
 RUN apk add --no-cache curl autoconf automake libtool pkgconf build-base \
   glib-dev libconfig-dev libnice-dev jansson-dev openssl-dev zlib libsrtp-dev \
   gengetopt libwebsockets-dev git curl-dev libogg-dev
 
 # usrsctp
-# 29 Mar 2021
-ARG USRSCTP_VERSION=70d42ae95a1de83bd317c8cc9503f894671d1392
+# 08 Oct 2021
+ARG USRSCTP_VERSION=7c31bd35c79ba67084ce029511193a19ceb97447
 
 RUN cd /tmp && \
     git clone https://github.com/sctplab/usrsctp && \
@@ -18,19 +18,20 @@ RUN cd /tmp && \
     make && make install
 
 # libsrtp
+ARG LIBSRTP_VERSION=2.4.2
 RUN cd /tmp && \
-    wget https://github.com/cisco/libsrtp/archive/v2.3.0.tar.gz && \
-    tar xfv v2.3.0.tar.gz && \
-    cd libsrtp-2.3.0 && \
+    wget https://github.com/cisco/libsrtp/archive/v$LIBSRTP_VERSION.tar.gz && \
+    tar xfv v$LIBSRTP_VERSION.tar.gz && \
+    cd libsrtp-$LIBSRTP_VERSION && \
     ./configure --prefix=/usr --enable-openssl && \
     make shared_library && \
     make install && \
-    rm -fr /libsrtp-2.3.0 && \
-    rm -f /v2.3.0.tar.gz
+    rm -fr /libsrtp-$LIBSRTP_VERSION && \
+    rm -f /v$LIBSRTP_VERSION.tar.gz
 
 # JANUS
 
-ARG JANUS_VERSION=0.11.1
+ARG JANUS_VERSION=0.11.8
 RUN mkdir -p /usr/src/janus && \
     cd /usr/src/janus && \
     curl -L https://github.com/meetecho/janus-gateway/archive/v$JANUS_VERSION.tar.gz | tar -xz && \