diff --git a/.gitlab-ci/container/build-deqp.sh b/.gitlab-ci/container/build-deqp.sh
index cff311cd7ae..f0afcbccae5 100644
--- a/.gitlab-ci/container/build-deqp.sh
+++ b/.gitlab-ci/container/build-deqp.sh
@@ -239,6 +239,10 @@ if [ "${DEQP_TARGET}" != 'android' ]; then
     mv /deqp/executor.save /deqp/executor
 fi
 
+# Compress the caselists, since Vulkan's in particular are gigantic; higher
+# compression levels provide no real measurable benefit.
+zstd -1 --rm /deqp/mustpass/*.txt
+
 # Remove other mustpass files, since we saved off the ones we wanted to conventient locations above.
 rm -rf /deqp/external/**/mustpass/
 rm -rf /deqp/external/vulkancts/modules/vulkan/vk-main*
diff --git a/.gitlab-ci/deqp-runner.sh b/.gitlab-ci/deqp-runner.sh
index d7c77ee17f6..578523eb7db 100755
--- a/.gitlab-ci/deqp-runner.sh
+++ b/.gitlab-ci/deqp-runner.sh
@@ -57,16 +57,16 @@ if [ -z "$DEQP_SUITE" ]; then
 
     # Generate test case list file.
     if [ "$DEQP_VER" = "vk" ]; then
-       MUSTPASS=/deqp/mustpass/vk-main.txt
+       MUSTPASS=/deqp/mustpass/vk-main.txt.zst
        DEQP=/deqp/external/vulkancts/modules/vulkan/deqp-vk
     elif [ "$DEQP_VER" = "gles2" ] || [ "$DEQP_VER" = "gles3" ] || [ "$DEQP_VER" = "gles31" ] || [ "$DEQP_VER" = "egl" ]; then
-       MUSTPASS=/deqp/mustpass/$DEQP_VER-main.txt
+       MUSTPASS=/deqp/mustpass/$DEQP_VER-main.txt.zst
        DEQP=/deqp/modules/$DEQP_VER/deqp-$DEQP_VER
     elif [ "$DEQP_VER" = "gles2-khr" ] || [ "$DEQP_VER" = "gles3-khr" ] || [ "$DEQP_VER" = "gles31-khr" ] || [ "$DEQP_VER" = "gles32-khr" ]; then
-       MUSTPASS=/deqp/mustpass/$DEQP_VER-main.txt
+       MUSTPASS=/deqp/mustpass/$DEQP_VER-main.txt.zst
        DEQP=/deqp/external/openglcts/modules/glcts
     else
-       MUSTPASS=/deqp/mustpass/$DEQP_VER-main.txt
+       MUSTPASS=/deqp/mustpass/$DEQP_VER-main.txt.zst
        DEQP=/deqp/external/openglcts/modules/glcts
     fi
 
@@ -88,7 +88,7 @@ if [ -z "$DEQP_SUITE" ]; then
     # test very slightly different permutations of the same functionality. So
     # by distributing our skips as widely across the set as possible, rather
     # than grouping them together, we get the broadest coverage.
-    sed -n "$(((CI_NODE_INDEX - 1) * DEQP_FRACTION + 1))~$((DEQP_FRACTION * CI_NODE_TOTAL))p" < $MUSTPASS > /tmp/case-list.txt
+    zstd -d $MUSTPASS -c | sed -n "$(((CI_NODE_INDEX - 1) * DEQP_FRACTION + 1))~$((DEQP_FRACTION * CI_NODE_TOTAL))p" > /tmp/case-list.txt
 
     if [ ! -s /tmp/case-list.txt ]; then
         echo "Caselist generation failed"
diff --git a/.gitlab-ci/image-tags.yml b/.gitlab-ci/image-tags.yml
index c568b84cfc9..5c78f723077 100644
--- a/.gitlab-ci/image-tags.yml
+++ b/.gitlab-ci/image-tags.yml
@@ -27,10 +27,10 @@ variables:
    DEBIAN_ARM64_TEST_IMAGE_VK_PATH: "debian/arm64_test-vk"
    DEBIAN_X86_64_TEST_ANDROID_IMAGE_PATH: "debian/x86_64_test-android"
 
-   DEBIAN_TEST_ANDROID_TAG: "20241011-acetone"
-   DEBIAN_TEST_GL_TAG: "20241016-acetone"
-   DEBIAN_TEST_VK_TAG: "20241016-acetone"
-   KERNEL_ROOTFS_TAG: "20241016-acetone"
+   DEBIAN_TEST_ANDROID_TAG: "20241016-zz-top"
+   DEBIAN_TEST_GL_TAG: "20241016-zz-top"
+   DEBIAN_TEST_VK_TAG: "20241016-zz-top"
+   KERNEL_ROOTFS_TAG: "20241016-zz-top"
 
    DEBIAN_PYUTILS_IMAGE: "debian/x86_64_pyutils"
    DEBIAN_PYUTILS_TAG: "20241002-pyutils"