diff --git a/.github/workflows/test-add-compiler-matrix.yml b/.github/workflows/test-add-compiler-matrix.yml
index c74fb0178..432bd65d3 100644
--- a/.github/workflows/test-add-compiler-matrix.yml
+++ b/.github/workflows/test-add-compiler-matrix.yml
@@ -36,7 +36,7 @@ jobs:
       fail-fast: false
       matrix:
         architecture: [standard, large, extra-large]
-        version: [2021.7.9, 2023.8.2, 2025.2.0]
+        version: [2021.7.9, 2023.8.3, 2025.3.0]
         image: [almalinux-cloud/almalinux-8]
     steps:
       - name: Checkout Source
diff --git a/.github/workflows/test-add-compiler.yaml b/.github/workflows/test-add-compiler.yaml
index 6642205ba..dfcacbf30 100644
--- a/.github/workflows/test-add-compiler.yaml
+++ b/.github/workflows/test-add-compiler.yaml
@@ -14,7 +14,7 @@ on:
       version:
         description: PE version to install
         required: true
-        default: 2023.8.2
+        default: 2023.8.3
       ssh-debugging:
         description: Boolean; whether or not to pause for ssh debugging
         required: true
diff --git a/.github/workflows/test-add-replica-matrix.yaml b/.github/workflows/test-add-replica-matrix.yaml
index e935d3977..796fb2045 100644
--- a/.github/workflows/test-add-replica-matrix.yaml
+++ b/.github/workflows/test-add-replica-matrix.yaml
@@ -36,7 +36,7 @@ jobs:
       fail-fast: false
       matrix:
         architecture: [standard, standard-with-dr, large, extra-large]
-        version: [2023.8.2, 2025.2.0]
+        version: [2023.8.3, 2025.3.0]
         image: [almalinux-cloud/almalinux-8]
     steps:
       - name: Checkout Source
diff --git a/.github/workflows/test-add-replica.yaml b/.github/workflows/test-add-replica.yaml
index f6b90fa79..cd2343ea7 100644
--- a/.github/workflows/test-add-replica.yaml
+++ b/.github/workflows/test-add-replica.yaml
@@ -14,7 +14,7 @@ on:
       version:
         description: PE version to install
         required: true
-        default: 2023.8.2
+        default: 2023.8.3
       ssh-debugging:
         description: Boolean; whether or not to pause for ssh debugging
         required: true
diff --git a/.github/workflows/test-backup-restore.yaml b/.github/workflows/test-backup-restore.yaml
index c348b8cad..61662c3ce 100644
--- a/.github/workflows/test-backup-restore.yaml
+++ b/.github/workflows/test-backup-restore.yaml
@@ -24,14 +24,14 @@ on:
       version:
         description: PE version to install
         required: true
-        default: 2025.2.0
+        default: 2025.3.0
       ssh-debugging:
         description: Boolean; whether or not to pause for ssh debugging
         required: true
         default: 'false'
 jobs:
   backup-restore-test:
-    name: "Backup, break and restore cluster: PE ${{ github.event.inputs.version || '2025.2.0' }}\
+    name: "Backup, break and restore cluster: PE ${{ github.event.inputs.version || '2025.3.0' }}\
       \ ${{ github.event.inputs.architecture || 'extra-large' }} on ${{ github.event.inputs.image || 'almalinux-cloud/almalinux-8' }}"
     runs-on: ubuntu-latest
     env:
diff --git a/.github/workflows/test-failover.yaml b/.github/workflows/test-failover.yaml
index c26bc6acb..cf1d777fc 100644
--- a/.github/workflows/test-failover.yaml
+++ b/.github/workflows/test-failover.yaml
@@ -14,7 +14,7 @@ on:
       version_to_upgrade:
         description: PE version to upgrade to
         required: false
-        default: 2023.8.2
+        default: 2023.8.3
       ssh-debugging:
         description: Boolean; whether or not to pause for ssh debugging
         required: true
diff --git a/.github/workflows/test-fips-install-matrix.yaml b/.github/workflows/test-fips-install-matrix.yaml
index b65c6cad8..7b0ea60b3 100644
--- a/.github/workflows/test-fips-install-matrix.yaml
+++ b/.github/workflows/test-fips-install-matrix.yaml
@@ -37,7 +37,7 @@ jobs:
       fail-fast: false
       matrix:
         architecture: [standard-with-dr, large, extra-large-with-dr]
-        version: [2021.7.9, 2023.8.2, 2025.2.0]
+        version: [2021.7.9, 2023.8.3, 2025.3.0]
         image: [rhel-8]
         fips: [enable]
     steps:
diff --git a/.github/workflows/test-install-matrix.yaml b/.github/workflows/test-install-matrix.yaml
index 533b0f51b..ad9fa7373 100644
--- a/.github/workflows/test-install-matrix.yaml
+++ b/.github/workflows/test-install-matrix.yaml
@@ -36,7 +36,7 @@ jobs:
       fail-fast: false
       matrix:
         architecture: [standard-with-dr, large, extra-large-with-dr]
-        version: [2021.7.9, 2023.8.2, 2025.2.0]
+        version: [2021.7.9, 2023.8.3, 2025.3.0]
         image: [almalinux-cloud/almalinux-8]
     steps:
       - name: Checkout Source
diff --git a/.github/workflows/test-install-rhel-9.yaml b/.github/workflows/test-install-rhel-9.yaml
index edb717cc6..a78418ea8 100644
--- a/.github/workflows/test-install-rhel-9.yaml
+++ b/.github/workflows/test-install-rhel-9.yaml
@@ -36,7 +36,7 @@ jobs:
       fail-fast: false
       matrix:
         architecture: [standard-with-dr, large, extra-large-with-dr]
-        version: [2021.7.9, 2023.8.2, 2025.2.0]
+        version: [2021.7.9, 2023.8.3, 2025.3.0]
         image: [rhel-9]
     steps:
       - name: Checkout Source
diff --git a/.github/workflows/test-install.yaml b/.github/workflows/test-install.yaml
index e10dc515a..8aa4ed5c7 100644
--- a/.github/workflows/test-install.yaml
+++ b/.github/workflows/test-install.yaml
@@ -14,7 +14,7 @@ on:
       version:
         description: PE version to install
         required: true
-        default: 2023.8.2
+        default: 2023.8.3
       ssh-debugging:
         description: Boolean; whether or not to pause for ssh debugging
         required: true
diff --git a/.github/workflows/test-legacy-compilers.yaml b/.github/workflows/test-legacy-compilers.yaml
index 77c8c7f03..8d0d87fe3 100644
--- a/.github/workflows/test-legacy-compilers.yaml
+++ b/.github/workflows/test-legacy-compilers.yaml
@@ -99,7 +99,7 @@ jobs:
             --modulepath spec/fixtures/modules \
             architecture=large-with-dr \
             console_password=${{ secrets.CONSOLE_PASSWORD }} \
-            version=2025.2.0
+            version=2025.3.0
       - name: Wait as long as the file ${HOME}/pause file is present
         if: ${{ always() && github.event.inputs.ssh-debugging == 'true' }}
         run: |
diff --git a/.github/workflows/test-legacy-upgrade.yaml b/.github/workflows/test-legacy-upgrade.yaml
index f5fb4c783..5fc1a8283 100644
--- a/.github/workflows/test-legacy-upgrade.yaml
+++ b/.github/workflows/test-legacy-upgrade.yaml
@@ -152,7 +152,7 @@ jobs:
           compiler=$(yq '.groups[].targets[] | select(.vars.role == "compiler") | .name' spec/fixtures/litmus_inventory.yaml | head -n 1)
           legacy_compiler=$(yq '.groups[].targets[] | select(.vars.role == "compiler") | .name' spec/fixtures/litmus_inventory.yaml | sed -n 2p)
           replica=$(yq '.groups[].targets[] | select(.vars.role == "replica") | .name' spec/fixtures/litmus_inventory.yaml)
-          echo -n '{ "primary_host": "'$primary'", "replica_host": "'$replica'", "compiler_hosts": ["'$compiler'", "'$legacy_compiler'"], "version": "2025.2.0"}' > upgrade_params.json
+          echo -n '{ "primary_host": "'$primary'", "replica_host": "'$replica'", "compiler_hosts": ["'$compiler'", "'$legacy_compiler'"], "version": "2025.3.0"}' > upgrade_params.json
       - name: Upgrade PE with legacy compilers
         run: |
           echo ::group::upgrade_params.json
diff --git a/.github/workflows/test-migration.yaml b/.github/workflows/test-migration.yaml
index 4ef583134..93bf46e5b 100644
--- a/.github/workflows/test-migration.yaml
+++ b/.github/workflows/test-migration.yaml
@@ -43,30 +43,30 @@ jobs:
           - extra-large
           - large-with-dr
           - extra-large-with-dr
-        version: [2021.7.9, 2023.8.2, 2025.2.0]
+        version: [2021.7.9, 2023.8.3, 2025.3.0]
         image: [almalinux-cloud/almalinux-8]
         include:
           - architecture: standard
             version: 2023.8.0
             image: almalinux-cloud/almalinux-8
-            new_pe_version: 2025.2.0
+            new_pe_version: 2025.3.0
           - architecture: large
             version: 2023.8.0
             image: almalinux-cloud/almalinux-8
-            new_pe_version: 2025.2.0
+            new_pe_version: 2025.3.0
           - architecture: extra-large
             version: 2023.8.0
             image: almalinux-cloud/almalinux-8
-            new_pe_version: 2025.2.0
+            new_pe_version: 2025.3.0
          # excluding the following combinations as due to their long running nature they always fail due to 
          # the test nodes in GCP that litmus provisions becoming unreachable after a time. If we address PE-40902
          # to change how we provision test nodes in CI then we will hopefully be able to include these
         exclude:
           - architecture: extra-large-with-dr
-            version: 2023.8.2
+            version: 2023.8.3
             image: almalinux-cloud/almalinux-8
           - architecture: extra-large-with-dr
-            version: 2025.2.0
+            version: 2025.3.0
             image: almalinux-cloud/almalinux-8
     steps:
       - name: Checkout Source
diff --git a/.github/workflows/test-replace-failed-postgresql.yaml b/.github/workflows/test-replace-failed-postgresql.yaml
index 3c3a2f16d..ea2fdb509 100644
--- a/.github/workflows/test-replace-failed-postgresql.yaml
+++ b/.github/workflows/test-replace-failed-postgresql.yaml
@@ -37,7 +37,7 @@ jobs:
       matrix:
         architecture: [extra-large-with-dr-and-spare-replica]
         install_architecture: [extra-large-with-dr]
-        version: [2021.7.9, 2023.8.2, 2025.2.0]
+        version: [2021.7.9, 2023.8.3, 2025.3.0]
         image: [almalinux-cloud/almalinux-8]
     steps:
       - name: Checkout Source
diff --git a/.github/workflows/test-upgrade-latest-dev.yaml b/.github/workflows/test-upgrade-latest-dev.yaml
index 5ba012630..142f444f0 100644
--- a/.github/workflows/test-upgrade-latest-dev.yaml
+++ b/.github/workflows/test-upgrade-latest-dev.yaml
@@ -23,7 +23,7 @@ on:
         type: string
         required: true
         description: The initial version of PE to install before upgrade
-        default: 2023.8.2
+        default: 2023.8.3
       ssh-debugging:
         description: Boolean; whether or not to pause for ssh debugging
         required: true
diff --git a/.github/workflows/test-upgrade-latest-xlarge-dev-nightly.yaml b/.github/workflows/test-upgrade-latest-xlarge-dev-nightly.yaml
index 9e748f963..bc97edd41 100644
--- a/.github/workflows/test-upgrade-latest-xlarge-dev-nightly.yaml
+++ b/.github/workflows/test-upgrade-latest-xlarge-dev-nightly.yaml
@@ -16,7 +16,7 @@ jobs:
       fail-fast: false
       matrix:
         architecture: [extra-large-with-dr]
-        version: [2023.8.2]
+        version: [2023.8.3]
         image: [almalinux-cloud/almalinux-8]
     steps:
       - name: Checkout Source
diff --git a/.github/workflows/test-upgrade-matrix.yaml b/.github/workflows/test-upgrade-matrix.yaml
index 787a19494..c9032746c 100644
--- a/.github/workflows/test-upgrade-matrix.yaml
+++ b/.github/workflows/test-upgrade-matrix.yaml
@@ -37,19 +37,19 @@ jobs:
       fail-fast: false
       matrix:
         architecture: [standard, extra-large]  # removing xl-with dr until PE-40902 is addressed
-        version: [2021.7.9, 2023.8.2]
-        version_to_upgrade: [2021.7.9, 2023.8.2, 2025.2.0]
+        version: [2021.7.9, 2023.8.3]
+        version_to_upgrade: [2021.7.9, 2023.8.3, 2025.3.0]
         image: [almalinux-cloud/almalinux-8]
         download_mode: [direct]
         exclude:
           - version: 2021.7.9
             version_to_upgrade: 2021.7.9
           - version: 2021.7.9
-            version_to_upgrade: 2025.2.0
-          - version: 2023.8.2
+            version_to_upgrade: 2025.3.0
+          - version: 2023.8.3
             version_to_upgrade: 2021.7.9
-          - version: 2023.8.2
-            version_to_upgrade: 2023.8.2
+          - version: 2023.8.3
+            version_to_upgrade: 2023.8.3
     steps:
       - name: Start SSH session
         if: ${{ github.event.inputs.ssh-debugging == 'true' }}
diff --git a/.github/workflows/test-upgrade.yaml b/.github/workflows/test-upgrade.yaml
index a3d97cb4f..8ddb3e2da 100644
--- a/.github/workflows/test-upgrade.yaml
+++ b/.github/workflows/test-upgrade.yaml
@@ -26,7 +26,7 @@ on:
       upgrade_version:
         description: PE version to upgrade to
         required: true
-        default: 2023.8.2
+        default: 2023.8.3
       ssh-debugging:
         description: Boolean; whether or not to pause for ssh debugging
         required: true
diff --git a/functions/assert_supported_pe_version.pp b/functions/assert_supported_pe_version.pp
index 1b612b643..66a7a99d8 100644
--- a/functions/assert_supported_pe_version.pp
+++ b/functions/assert_supported_pe_version.pp
@@ -6,7 +6,7 @@ function peadm::assert_supported_pe_version (
   Boolean $permit_unsafe_versions = false,
 ) >> Struct[{ 'supported' => Boolean }] {
   $oldest = '2019.7'
-  $newest = '2025.2'
+  $newest = '2025.3'
   $supported = ($version =~ SemVerRange(">= ${oldest} <= ${newest}"))
 
   if $permit_unsafe_versions {