diff --git a/CHANGES.md b/CHANGES.md
index f6c6b41..599823c 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -4,7 +4,7 @@
 
 ### New features
 
-* base: add `ether_ip` IOC and module. by @guirodrigueslima in
+* base: add OPCUA and `ether_ip` IOCs and modules. by @guirodrigueslima in
   https://github.com/cnpem/epics-in-docker/pull/57
 
 ## v0.7.0
diff --git a/base/.env b/base/.env
index 9908946..2220a35 100644
--- a/base/.env
+++ b/base/.env
@@ -23,3 +23,5 @@ LIBSSCPIMEGA_VERSION=fb8acf533a7c01b5266bf32d60d1a5f923e19523
 
 MOTOR_VERSION=R7-3-1
 PMAC_VERSION=2-6-1
+
+OPCUA_VERSION=0.9.4
diff --git a/base/Dockerfile b/base/Dockerfile
index f6a9a48..4a22930 100644
--- a/base/Dockerfile
+++ b/base/Dockerfile
@@ -17,6 +17,7 @@ RUN apt update -y && \
         libtiff-dev \
         libusb-1.0-0-dev \
         libxml2-dev \
+        libssl-dev \
         re2c \
         wget \
         ca-certificates
@@ -69,3 +70,9 @@ ARG PMAC_VERSION
 
 COPY install_motor.sh .
 RUN ./install_motor.sh
+
+ARG DEBIAN_VERSION
+ARG OPCUA_VERSION
+
+COPY install_opcua.sh .
+RUN ./install_opcua.sh
diff --git a/base/docker-compose.yml b/base/docker-compose.yml
index 22d20dc..a1a0d01 100644
--- a/base/docker-compose.yml
+++ b/base/docker-compose.yml
@@ -30,3 +30,4 @@ services:
         LIBSSCPIMEGA_VERSION: ${LIBSSCPIMEGA_VERSION}
         MOTOR_VERSION: ${MOTOR_VERSION}
         PMAC_VERSION: ${PMAC_VERSION}
+        OPCUA_VERSION: ${OPCUA_VERSION}
diff --git a/base/install_opcua.sh b/base/install_opcua.sh
new file mode 100755
index 0000000..e61890a
--- /dev/null
+++ b/base/install_opcua.sh
@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+set -ex
+
+. /opt/epics/install-functions.sh
+
+opcua_release_url=https://github.com/epics-modules/opcua/releases/download/v${OPCUA_VERSION}
+opcua_release_file=IOC_opcua-${OPCUA_VERSION}_Base-${EPICS_BASE_VERSION}_debian${DEBIAN_VERSION%.*}.tar.gz
+lnls-get-n-unpack -l $opcua_release_url/$opcua_release_file
+
+mv binaryOpcuaIoc opcua
+install_module -i opcua OPCUA "
+EPICS_BASE
+"
+
+EPICS_HOST_ARCH=`perl ${EPICS_BASE_PATH}/lib/perl/EpicsHostArch.pl`
+ln -s ${EPICS_MODULES_PATH}/opcua/{opcuaIocApp/libopcua.so.0.9,lib/${EPICS_HOST_ARCH}/libopcua.so}