diff --git a/docker/Dockerfile-rhel8 b/docker/Dockerfile-rhel-8
similarity index 94%
rename from docker/Dockerfile-rhel8
rename to docker/Dockerfile-rhel-8
index a414796..3bfdeff 100644
--- a/docker/Dockerfile-rhel8
+++ b/docker/Dockerfile-rhel-8
@@ -6,7 +6,7 @@ ENV TZ="Europe/Berlin"
 
 RUN subscription-manager register --username mail@devxy.io --password "$RED_HAT_DEV_PW" && subscription-manager repos --enable codeready-builder-for-rhel-8-aarch64-rpms
 ### install JAGS (needed for runjags which itself is again a dependency of many packages)
-RUN dnf install -y -q make lapack-devel git gcc gcc-c++ fontconfig-devel fribidi-devel libjpeg-turbo-devel libtiff-devel
+RUN dnf install -y -q make lapack-devel git gcc gcc-c++ fontconfig-devel fribidi-devel libjpeg-turbo-devel libtiff-devel postgresql-devel
 RUN curl -L -O https://sourceforge.net/projects/mcmc-jags/files/JAGS/4.x/Source/JAGS-4.3.2.tar.gz && tar -xzf JAGS-4.3.2.tar.gz && cd JAGS-4.3.2 && ./configure && make && make install && rm -rf  JAGS-4.3.2.tar.gz JAGS-4.3.2 && cd ..
 RUN dnf install -y -q https://dl.fedoraproject.org/pub/epel/8/Everything/aarch64/Packages/h/hiredis-0.13.3-13.el8.aarch64.rpm && dnf install -y -q https://dl.fedoraproject.org/pub/epel/8/Everything/aarch64/Packages/c/ccache-3.7.7-1.el8.aarch64.rpm
 RUN curl -O https://f003.backblazeb2.com/file/devxy-r-builds/el8/R-4.4.1-1-1.aarch64.rpm
diff --git a/docker/Dockerfile-rhel9 b/docker/Dockerfile-rhel-9
similarity index 100%
rename from docker/Dockerfile-rhel9
rename to docker/Dockerfile-rhel-9