diff --git a/.github/workflows/build.scala_test.yml b/.github/workflows/build.scala_test.yml
index fa98cf6d22..6cd25f2443 100644
--- a/.github/workflows/build.scala_test.yml
+++ b/.github/workflows/build.scala_test.yml
@@ -58,6 +58,11 @@ on:
         required: false
         type: boolean
         default: false
+      postgres_image:
+        description: "The image to use for PostgreSQL"
+        required: false
+        type: string
+        default: "postgres:17"
 
 jobs:
 
@@ -109,9 +114,10 @@ jobs:
 
     services:
       postgres:
-        image: us-central1-docker.pkg.dev/da-cn-shared/ghcr/digital-asset/decentralized-canton-sync-dev/docker/splice-test-postgres:0.3.12
+        image: ${{ inputs.postgres_image }}
         env:
           POSTGRES_PASSWORD: postgres
+          POSTGRES_INITDB_ARGS: "-c max_connections=16000"
 
     steps:
 
diff --git a/.github/workflows/build.scala_test_for_compose.yml b/.github/workflows/build.scala_test_for_compose.yml
index 88dc1d44a5..a75fb9cefd 100644
--- a/.github/workflows/build.scala_test_for_compose.yml
+++ b/.github/workflows/build.scala_test_for_compose.yml
@@ -73,9 +73,10 @@ jobs:
 
     services:
       postgres:
-        image: us-central1-docker.pkg.dev/da-cn-shared/ghcr/digital-asset/decentralized-canton-sync-dev/docker/splice-test-postgres:0.3.12
+        image: postgres:17
         env:
           POSTGRES_PASSWORD: postgres
+          POSTGRES_INITDB_ARGS: "-c max_connections=16000"
         ports:
           - 5432:5432
 
diff --git a/.github/workflows/build.scala_test_with_cometbft.yml b/.github/workflows/build.scala_test_with_cometbft.yml
index 66814e6b1f..d0cdb1a6ac 100644
--- a/.github/workflows/build.scala_test_with_cometbft.yml
+++ b/.github/workflows/build.scala_test_with_cometbft.yml
@@ -68,9 +68,10 @@ jobs:
 
     services:
       postgres:
-        image: us-central1-docker.pkg.dev/da-cn-shared/ghcr/digital-asset/decentralized-canton-sync-dev/docker/splice-test-postgres:0.3.12
+        image: postgres:17
         env:
           POSTGRES_PASSWORD: postgres
+          POSTGRES_INITDB_ARGS: "-c max_connections=16000"
 
       cometbft1:
         image: us-central1-docker.pkg.dev/da-cn-shared/ghcr/digital-asset/decentralized-canton-sync-dev/docker/splice-test-cometbft:0.3.12
diff --git a/.github/workflows/build.wallclock_pg14.yml b/.github/workflows/build.wallclock_pg14.yml
new file mode 100644
index 0000000000..efa885407d
--- /dev/null
+++ b/.github/workflows/build.wallclock_pg14.yml
@@ -0,0 +1,28 @@
+name: Wall Clock Tests with Postgres 14
+
+on:
+  # Scheduled workflows run on the latest commit on the default or base branch.
+  schedule:
+    - cron: "0 5 * * *" # Runs every night at 5AM UTC
+
+permissions:
+  id-token: write # Required for GCP Workload Identity for failure notifications
+  contents: read
+
+jobs:
+  scala_test_wall_clock_time:
+    uses: ./.github/workflows/build.scala_test.yml
+    with:
+      runs_on: self-hosted-k8s-large
+      test_names_file: 'test-full-class-names.log'
+      start_canton_options: -w
+      # TODO(DACH-NY/canton-network-node#10912) Investigate why things got slower
+      parallelism: 11
+      test_name: wall-clock-time
+      with_gcp_creds: true
+      skip_if_regex: "\\[bft\\]"
+      commit_sha: ""
+      daml_base_version: ""
+      # This is the Postgres 14 image we built for testing. From 17 onwards, we use the official image.
+      postgres_image: us-central1-docker.pkg.dev/da-cn-shared/ghcr/digital-asset/decentralized-canton-sync-dev/docker/splice-test-postgres:0.3.12
+    secrets: inherit
diff --git a/project/CantonDependencies.scala b/project/CantonDependencies.scala
index 32f0cb4185..dd9c723101 100644
--- a/project/CantonDependencies.scala
+++ b/project/CantonDependencies.scala
@@ -70,7 +70,7 @@ object CantonDependencies {
   lazy val hikaricp = "com.zaxxer" % "HikariCP" % "3.2.0"
   lazy val h2 = "com.h2database" % "h2" % "2.1.210"
   lazy val postgres = "org.postgresql" % "postgresql" % "42.7.3"
-  private val flyway_version = "10.12.0"
+  private val flyway_version = "10.22.0"
   lazy val flyway = "org.flywaydb" % "flyway-core" % flyway_version
   lazy val flyway_postgresql = "org.flywaydb" % "flyway-database-postgresql" % flyway_version
   lazy val oracle = "com.oracle.database.jdbc" % "ojdbc8" % "19.13.0.0.1"
diff --git a/scripts/postgres.sh b/scripts/postgres.sh
index bf6e5e8c6f..81978d7711 100755
--- a/scripts/postgres.sh
+++ b/scripts/postgres.sh
@@ -5,7 +5,7 @@
 
 set -eou pipefail
 
-DOCKER_POSTGRES_IMAGE_NAME="postgres:14"
+DOCKER_POSTGRES_IMAGE_NAME="postgres:17"
 
 # Postgres settings
 DOCKER_POSTGRES_CONTAINER_NAME="postgres-for-splice-node"