diff --git a/docker/rocky9/Dockerfile b/docker/rocky9/Dockerfile
index f8f610a9..4df8434f 100644
--- a/docker/rocky9/Dockerfile
+++ b/docker/rocky9/Dockerfile
@@ -8,6 +8,9 @@ ARG EIGEN_TAG=3.4.0
 ARG LIBJPEG_TURBO_VERSION=3.1.2
 ARG LIBTIFF_VERSION=v4.7.1
 ARG HDF5_TAG="hdf5_1.14.6"
+ARG DIALS_VERSION=3.27.0
+ARG DIALS_TARBALL_URL=https://github.com/dials/dials/releases/download/v3.27.0/dials-v3-27-0-linux-x86_64.tar.xz
+ARG DIALS_PREFIX=/opt
 
 # Update base, enable CRB (RHEL/Rocky 9), and install toolchain + Qt deps
 RUN dnf -y update && \
@@ -185,6 +188,16 @@ RUN set -eux; \
     cmake --install .; \
     cd /; rm -rf /tmp/qt-everywhere-src-${QT_VERSION} /tmp/qt-everywhere-src-${QT_VERSION}.tar.xz
 
+# Install DIALS using the official binary tarball workflow
+RUN set -eux; \
+    cd /tmp; \
+    curl -fL -o dials.tar.xz "${DIALS_TARBALL_URL}"; \
+    tar -xJf dials.tar.xz; \
+    cd dials-installer; \
+    ./install --prefix="${DIALS_PREFIX}"; \
+    cd /; \
+    rm -rf /tmp/dials.tar.xz /tmp/dials-*-linux-x86_64
+
 # Make Qt and Eigen discoverable by CMake
 ENV CMAKE_PREFIX_PATH=${CMAKE_PREFIX_PATH}:/opt/hdf5-${HDF5_TAG}-static:/opt/qt-${QT_VERSION}-static
 
diff --git a/docker/ubuntu2204/Dockerfile b/docker/ubuntu2204/Dockerfile
index f1625475..e357dfba 100644
--- a/docker/ubuntu2204/Dockerfile
+++ b/docker/ubuntu2204/Dockerfile
@@ -22,11 +22,11 @@ RUN set -eux; \
       ca-certificates \
       curl \
       wget \
+      gpg \
       git \
       tar \
       xz-utils \
       build-essential \
-      cmake \
       ninja-build \
       python3 \
       python3-requests \
@@ -78,10 +78,25 @@ RUN set -eux; \
       libassimp-dev \
       libglvnd-dev \
       libfreetype6-dev; \
+    wget -qO- https://apt.kitware.com/keys/kitware-archive-latest.asc \
+      | gpg --dearmor \
+      | tee /usr/share/keyrings/kitware-archive-keyring.gpg > /dev/null; \
+    echo "deb [signed-by=/usr/share/keyrings/kitware-archive-keyring.gpg] https://apt.kitware.com/ubuntu/ jammy main" \
+      | tee /etc/apt/sources.list.d/kitware.list > /dev/null; \
+    apt-get update; \
+    apt-get install -y --no-install-recommends \
+      cmake=3.26.* \
+      cmake-data=3.26.* \
+      kitware-archive-keyring; \
     apt-get -y install gcc-12 g++-12; \
     apt-get clean; \
     rm -rf /var/lib/apt/lists/*
 
+# Use GCC/G++ 12 for builds
+ENV CC=/usr/bin/gcc-12
+ENV CXX=/usr/bin/g++-12
+ENV PATH=/usr/bin:${PATH}
+
 # Build a static OpenSSL
 RUN set -eux; \
     cd /tmp; \
@@ -166,11 +181,6 @@ RUN set -eux; \
 ENV CMAKE_PREFIX_PATH=/opt/libtiff-${LIBTIFF_VERSION}-static:/opt/libjpeg-turbo-${LIBJPEG_TURBO_VERSION}-static
 ENV PKG_CONFIG_PATH=/opt/hdf5-${HDF5_TAG}-static/lib/pkgconfig:/opt/libjpeg-turbo-${LIBJPEG_TURBO_VERSION}-static/lib/pkgconfig:/opt/libtiff-${LIBTIFF_VERSION}-static/lib/pkgconfig:${OPENSSL_ROOT_DIR}/lib/pkgconfig:${OPENSSL_ROOT_DIR}/lib64/pkgconfig
 
-# Use GCC/G++ 12 for builds
-ENV CC=/usr/bin/gcc-12
-ENV CXX=/usr/bin/g++-12
-ENV PATH=/usr/bin:${PATH}
-
 # Build and install static Qt 6.9 with Core, Gui, Widgets, Charts, DBus
 ARG QT_PREFIX=/opt/qt-${QT_VERSION}-static
 RUN set -eux; \