diff --git a/docker/Dockerfile_alma9_py310 b/docker/Dockerfile_alma9_py310
index 8983d47b..9bba8fb7 100644
--- a/docker/Dockerfile_alma9_py310
+++ b/docker/Dockerfile_alma9_py310
@@ -70,7 +70,7 @@ WORKDIR /root
 RUN rm -rf /root/install
 
 # install law master
-RUN git clone --recursive https://github.com/riga/law "${LAW_IMAGE_ROOT}" && \
+RUN git clone --recursive --single-branch --branch release_prep https://github.com/riga/law "${LAW_IMAGE_ROOT}" && \
     cd "${LAW_IMAGE_ROOT}" && \
     pip install --no-cache-dir .[dev]
 WORKDIR ${LAW_IMAGE_ROOT}
diff --git a/docker/Dockerfile_alma9_py311 b/docker/Dockerfile_alma9_py311
index c8f09a0d..54cffec9 100644
--- a/docker/Dockerfile_alma9_py311
+++ b/docker/Dockerfile_alma9_py311
@@ -70,7 +70,7 @@ WORKDIR /root
 RUN rm -rf /root/install
 
 # install law master
-RUN git clone --recursive https://github.com/riga/law "${LAW_IMAGE_ROOT}" && \
+RUN git clone --recursive --single-branch --branch release_prep https://github.com/riga/law "${LAW_IMAGE_ROOT}" && \
     cd "${LAW_IMAGE_ROOT}" && \
     pip install --no-cache-dir .[dev]
 WORKDIR ${LAW_IMAGE_ROOT}
diff --git a/docker/Dockerfile_alma9_py312 b/docker/Dockerfile_alma9_py312
index 3051b3ac..91ac34db 100644
--- a/docker/Dockerfile_alma9_py312
+++ b/docker/Dockerfile_alma9_py312
@@ -70,7 +70,7 @@ WORKDIR /root
 RUN rm -rf /root/install
 
 # install law master
-RUN git clone --recursive https://github.com/riga/law "${LAW_IMAGE_ROOT}" && \
+RUN git clone --recursive --single-branch --branch release_prep https://github.com/riga/law "${LAW_IMAGE_ROOT}" && \
     cd "${LAW_IMAGE_ROOT}" && \
     pip install --no-cache-dir .[dev]
 WORKDIR ${LAW_IMAGE_ROOT}
diff --git a/docker/Dockerfile_alma9_py313 b/docker/Dockerfile_alma9_py313
index 263fcfc9..fb5978dc 100644
--- a/docker/Dockerfile_alma9_py313
+++ b/docker/Dockerfile_alma9_py313
@@ -70,7 +70,7 @@ WORKDIR /root
 RUN rm -rf /root/install
 
 # install law master
-RUN git clone --recursive https://github.com/riga/law "${LAW_IMAGE_ROOT}" && \
+RUN git clone --recursive --single-branch --branch release_prep https://github.com/riga/law "${LAW_IMAGE_ROOT}" && \
     cd "${LAW_IMAGE_ROOT}" && \
     pip install --no-cache-dir .[dev]
 WORKDIR ${LAW_IMAGE_ROOT}
diff --git a/docker/Dockerfile_alma9_py38 b/docker/Dockerfile_alma9_py38
index 624d52fd..e7a2dae8 100644
--- a/docker/Dockerfile_alma9_py38
+++ b/docker/Dockerfile_alma9_py38
@@ -70,7 +70,7 @@ WORKDIR /root
 RUN rm -rf /root/install
 
 # install law master
-RUN git clone --recursive https://github.com/riga/law "${LAW_IMAGE_ROOT}" && \
+RUN git clone --recursive --single-branch --branch release_prep https://github.com/riga/law "${LAW_IMAGE_ROOT}" && \
     cd "${LAW_IMAGE_ROOT}" && \
     pip install --no-cache-dir .[dev]
 WORKDIR ${LAW_IMAGE_ROOT}
diff --git a/docker/Dockerfile_alma9_py39 b/docker/Dockerfile_alma9_py39
index b385f405..fdb5efd8 100644
--- a/docker/Dockerfile_alma9_py39
+++ b/docker/Dockerfile_alma9_py39
@@ -70,7 +70,7 @@ WORKDIR /root
 RUN rm -rf /root/install
 
 # install law master
-RUN git clone --recursive https://github.com/riga/law "${LAW_IMAGE_ROOT}" && \
+RUN git clone --recursive --single-branch --branch release_prep https://github.com/riga/law "${LAW_IMAGE_ROOT}" && \
     cd "${LAW_IMAGE_ROOT}" && \
     pip install --no-cache-dir .[dev]
 WORKDIR ${LAW_IMAGE_ROOT}
diff --git a/docker/Dockerfile_centos8_py310 b/docker/Dockerfile_centos8_py310
index f1995bdb..27068a1b 100644
--- a/docker/Dockerfile_centos8_py310
+++ b/docker/Dockerfile_centos8_py310
@@ -73,7 +73,7 @@ WORKDIR /root
 RUN rm -rf /root/install
 
 # install law master
-RUN git clone --recursive https://github.com/riga/law "${LAW_IMAGE_ROOT}" && \
+RUN git clone --recursive --single-branch --branch release_prep https://github.com/riga/law "${LAW_IMAGE_ROOT}" && \
     cd "${LAW_IMAGE_ROOT}" && \
     pip install --no-cache-dir .[dev]
 WORKDIR ${LAW_IMAGE_ROOT}
diff --git a/docker/Dockerfile_centos8_py311 b/docker/Dockerfile_centos8_py311
index 5020ddc0..eea1034a 100644
--- a/docker/Dockerfile_centos8_py311
+++ b/docker/Dockerfile_centos8_py311
@@ -73,7 +73,7 @@ WORKDIR /root
 RUN rm -rf /root/install
 
 # install law master
-RUN git clone --recursive https://github.com/riga/law "${LAW_IMAGE_ROOT}" && \
+RUN git clone --recursive --single-branch --branch release_prep https://github.com/riga/law "${LAW_IMAGE_ROOT}" && \
     cd "${LAW_IMAGE_ROOT}" && \
     pip install --no-cache-dir .[dev]
 WORKDIR ${LAW_IMAGE_ROOT}
diff --git a/docker/Dockerfile_centos8_py312 b/docker/Dockerfile_centos8_py312
index 8c6dc022..0f1263ce 100644
--- a/docker/Dockerfile_centos8_py312
+++ b/docker/Dockerfile_centos8_py312
@@ -73,7 +73,7 @@ WORKDIR /root
 RUN rm -rf /root/install
 
 # install law master
-RUN git clone --recursive https://github.com/riga/law "${LAW_IMAGE_ROOT}" && \
+RUN git clone --recursive --single-branch --branch release_prep https://github.com/riga/law "${LAW_IMAGE_ROOT}" && \
     cd "${LAW_IMAGE_ROOT}" && \
     pip install --no-cache-dir .[dev]
 WORKDIR ${LAW_IMAGE_ROOT}
diff --git a/docker/Dockerfile_centos8_py38 b/docker/Dockerfile_centos8_py38
index b7732e35..6e6ac76f 100644
--- a/docker/Dockerfile_centos8_py38
+++ b/docker/Dockerfile_centos8_py38
@@ -73,7 +73,7 @@ WORKDIR /root
 RUN rm -rf /root/install
 
 # install law master
-RUN git clone --recursive https://github.com/riga/law "${LAW_IMAGE_ROOT}" && \
+RUN git clone --recursive --single-branch --branch release_prep https://github.com/riga/law "${LAW_IMAGE_ROOT}" && \
     cd "${LAW_IMAGE_ROOT}" && \
     pip install --no-cache-dir .[dev]
 WORKDIR ${LAW_IMAGE_ROOT}
diff --git a/docker/Dockerfile_centos8_py39 b/docker/Dockerfile_centos8_py39
index 86cf5f10..3400fd25 100644
--- a/docker/Dockerfile_centos8_py39
+++ b/docker/Dockerfile_centos8_py39
@@ -73,7 +73,7 @@ WORKDIR /root
 RUN rm -rf /root/install
 
 # install law master
-RUN git clone --recursive https://github.com/riga/law "${LAW_IMAGE_ROOT}" && \
+RUN git clone --recursive --single-branch --branch release_prep https://github.com/riga/law "${LAW_IMAGE_ROOT}" && \
     cd "${LAW_IMAGE_ROOT}" && \
     pip install --no-cache-dir .[dev]
 WORKDIR ${LAW_IMAGE_ROOT}