diff --git a/docker/Dockerfile.alpine b/docker/Dockerfile.alpine
index edfd6b3587140fe0fbff50f6d78f306a4584d589..a79a155ff03a7359299b1e151f3fc0c738793bce 100644
--- a/docker/Dockerfile.alpine
+++ b/docker/Dockerfile.alpine
@@ -18,7 +18,7 @@ RUN echo 'sh' >> /home/titan/.bashrc
 WORKDIR /home/titan
 RUN git clone https://github.com/eclipse/titan.core.git
 WORKDIR /home/titan/titan.core/
-RUN git checkout tags/7.1.1
+RUN git checkout tags/7.2.0
 
 ## SET UP ENV VARIABLES
 ENV TTCN3_DIR=/home/titan/titan.core/Install
diff --git a/docker/Dockerfile.ubuntu b/docker/Dockerfile.ubuntu
index 3002cfbb72613c2b7bda4a6651f28775e414011f..be8ccbe8cfe7805e6f38036696f9bd8f932510e7 100644
--- a/docker/Dockerfile.ubuntu
+++ b/docker/Dockerfile.ubuntu
@@ -24,9 +24,9 @@ ENV PATH=$TTCN3_DIR/bin:$PATH \
 ## CLONE TITAN
 WORKDIR /home/titan/
 RUN git clone https://github.com/eclipse/titan.core.git
-# Checkout release 7.1.1
+# Checkout release 7.2.0
 WORKDIR /home/titan/titan.core
-RUN git checkout tags/7.1.1
+RUN git checkout tags/7.2.0
 
 ## SET Makefile.personal
 # TTCN3_DIR := /home/titan/titan.core/Install