diff --git a/Dockerfile b/Dockerfile
index 1943877..107d942 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:22.04
+FROM almalinux:9
 
 SHELL ["/bin/bash", "-c"]
 
@@ -7,37 +7,31 @@ ENV CLASSPATH :/usr/lib/opensourcecobol4j/libcobj.jar:/usr/lib/Open-COBOL-ESQL-4
 RUN echo 'export CLASSPATH=:/usr/lib/opensourcecobol4j/libcobj.jar:/usr/lib/Open-COBOL-ESQL-4j/postgresql.jar:/usr/lib/Open-COBOL-ESQL-4j/ocesql4j.jar' >> ~/.bashrc
 
 # install dependencies
-RUN apt-get update
-RUN apt-get install -y default-jdk build-essential bison flex gettext texinfo autoconf unzip zip gnupg
+RUN dnf update -y
+RUN dnf install -y gcc make bison flex automake autoconf diffutils gettext java-11-openjdk-devel
+
 # install sbt
-RUN echo "deb https://repo.scala-sbt.org/scalasbt/debian all main" | tee /etc/apt/sources.list.d/sbt.list &&\
-    echo "deb https://repo.scala-sbt.org/scalasbt/debian /" | tee /etc/apt/sources.list.d/sbt_old.list &&\
-    curl -sL "https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x2EE0EA64E40A89B84B2DF73499E82A75642AC823" | apt-key add 
-RUN apt-get update && apt-get install -y 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-v1.1.1.tar.gz https://github.com/opensourcecobol/opensourcecobol4j/archive/refs/tags/v1.1.1.tar.gz &&\
-    tar zxvf opensourcecobol4j-v1.1.1.tar.gz &&\
-    cd opensourcecobol4j-1.1.1 &&\
+    curl -L -o opensourcecobol4j-v1.1.2.tar.gz https://github.com/opensourcecobol/opensourcecobol4j/archive/refs/tags/v1.1.2.tar.gz &&\
+    tar zxvf opensourcecobol4j-v1.1.2.tar.gz &&\
+    cd opensourcecobol4j-1.1.2 &&\
     ./configure --prefix=/usr/ &&\
     make &&\
     make install &&\
-    rm ../opensourcecobol4j-v1.1.1.tar.gz
+    rm ../opensourcecobol4j-v1.1.2.tar.gz
 
 # Install Open COBOL ESQL 4J
+ADD Open-COBOL-ESQL-4j /root/Open-COBOL-ESQL-4j
+ENV PATH="$PATH:/root/.local/share/coursier/bin"
 RUN mkdir -p /usr/lib/Open-COBOL-ESQL-4j &&\
-    curl -L -o  /usr/lib/Open-COBOL-ESQL-4j/postgresql.jar https://jdbc.postgresql.org/download/postgresql-42.2.24.jre6.jar &&\
-    cd /root &&\
-    curl -L -o Open-COBOL-ESQL-4j-v1.0.3.tar.gz https://github.com/opensourcecobol/Open-COBOL-ESQL-4j/archive/refs/tags/v1.0.3.tar.gz &&\
-    tar zxvf Open-COBOL-ESQL-4j-v1.0.3.tar.gz &&\
-    cd Open-COBOL-ESQL-4j-1.0.3 &&\
-    cp /usr/lib/Open-COBOL-ESQL-4j/postgresql.jar dblibj/lib &&\
+    cd /root/Open-COBOL-ESQL-4j &&\
     cp /usr/lib/opensourcecobol4j/libcobj.jar dblibj/lib &&\
     ./configure --prefix=/usr/ &&\
     make &&\
-    make install &&\
-    rm ../Open-COBOL-ESQL-4j-v1.0.3.tar.gz
+    make install
 
 # add sample programs
 ADD cobol_sample /root/cobol_sample
diff --git a/docker-compose/docker-compose.yml b/docker-compose/docker-compose.yml
index fecef25..f348be2 100644
--- a/docker-compose/docker-compose.yml
+++ b/docker-compose/docker-compose.yml
@@ -12,7 +12,7 @@ services:
       - "5432:5432"
 
   oc4j_client:
-    image: opensourcecobol/opensourcecobol4j:1.1.1
+    image: opensourcecobol/opensourcecobol4j:1.1.2
     container_name: oc4j_client
     stdin_open: true
     tty: true