diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b85fd3d..8e81e21 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,12 +6,22 @@ on:
     types: [opened, reopened, review_requested, synchronize]
 
 jobs:
-  run-tests:
+  build:
     runs-on: ubuntu-latest
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Build a docker image
         run: docker build -t opensourcecobol/opensourcecobol4j .
+
+  utf8-build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Build a docker image
+        run: docker build -t opensourcecobol/opensourcecobol4j:utf8 . -f utf8.Dockerfile
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
index 99e8a19..1caefea 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,13 +15,13 @@ RUN curl -fL https://github.com/coursier/coursier/releases/latest/download/cs-x8
 
 # install opensourcecobol4j
 RUN cd /root &&\
-    curl -L -o opensourcecobol4j-v1.1.5.tar.gz https://github.com/opensourcecobol/opensourcecobol4j/archive/refs/tags/v1.1.5.tar.gz &&\
-    tar zxvf opensourcecobol4j-v1.1.5.tar.gz &&\
-    cd opensourcecobol4j-1.1.5 &&\
+    curl -L -o opensourcecobol4j-v1.1.6.tar.gz https://github.com/opensourcecobol/opensourcecobol4j/archive/refs/tags/v1.1.6.tar.gz &&\
+    tar zxvf opensourcecobol4j-v1.1.6.tar.gz &&\
+    cd opensourcecobol4j-1.1.6 &&\
     ./configure --prefix=/usr/ &&\
     make &&\
     make install &&\
-    rm /root/opensourcecobol4j-v1.1.5.tar.gz
+    rm /root/opensourcecobol4j-v1.1.6.tar.gz
 
 # Install Open COBOL ESQL 4J
 ENV PATH="$PATH:/root/.local/share/coursier/bin"
diff --git a/README.md b/README.md
index 915b99c..fc08284 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 Versions :
 
 - OS: Ubuntu
-- opensource COBOL 4J: v1.1.5
+- opensource COBOL 4J: v1.1.6
 - Open COBOL ESQL 4J: v1.1.1
 
 In order to "Hello World" program, run the following commands in the docker container
diff --git a/utf8.Dockerfile b/utf8.Dockerfile
new file mode 100644
index 0000000..657aff3
--- /dev/null
+++ b/utf8.Dockerfile
@@ -0,0 +1,32 @@
+FROM almalinux:9
+
+SHELL ["/bin/bash", "-c"]
+
+# classpath settings
+ENV CLASSPATH=:/usr/lib/opensourcecobol4j/libcobj.jar
+RUN echo 'export CLASSPATH=:/usr/lib/opensourcecobol4j/libcobj.jar' >> ~/.bashrc
+
+# install dependencies
+RUN dnf update -y
+RUN dnf install -y gcc make bison flex automake autoconf diffutils gettext java-11-openjdk-devel
+
+# install sbt
+RUN curl -fL https://github.com/coursier/coursier/releases/latest/download/cs-x86_64-pc-linux.gz | gzip -d > cs && chmod +x cs && echo Y | ./cs setup
+
+# install opensourcecobol4j
+RUN cd /root &&\
+    curl -L -o opensourcecobol4j-v1.1.6.tar.gz https://github.com/opensourcecobol/opensourcecobol4j/archive/refs/tags/v1.1.6.tar.gz &&\
+    tar zxvf opensourcecobol4j-v1.1.6.tar.gz &&\
+    cd opensourcecobol4j-1.1.6 &&\
+    ./configure --prefix=/usr/ --enable-utf8 &&\
+    touch cobj/*.m4 &&\
+    make &&\
+    make install &&\
+    rm /root/opensourcecobol4j-v1.1.6.tar.gz
+
+# add sample programs
+ADD cobol_sample /root/cobol_sample
+
+WORKDIR /root/
+
+CMD ["/bin/bash"]