diff --git a/.buildkite/pipelines/intake.yml b/.buildkite/pipelines/intake.yml
index d0b5c5d614faf..aceb6de672f4f 100644
--- a/.buildkite/pipelines/intake.yml
+++ b/.buildkite/pipelines/intake.yml
@@ -56,7 +56,7 @@ steps:
         timeout_in_minutes: 300
         matrix:
           setup:
-            BWC_VERSION: ["7.17.27", "8.16.3"]
+            BWC_VERSION: ["7.17.28", "8.16.3"]
         agents:
           provider: gcp
           image: family/elasticsearch-ubuntu-2004
diff --git a/.buildkite/pipelines/periodic-packaging.yml b/.buildkite/pipelines/periodic-packaging.yml
index 67e104792ec9d..4d0dd197b6e8e 100644
--- a/.buildkite/pipelines/periodic-packaging.yml
+++ b/.buildkite/pipelines/periodic-packaging.yml
@@ -304,8 +304,8 @@ steps:
         env:
           BWC_VERSION: 7.16.3
 
-      - label: "{{matrix.image}} / 7.17.27 / packaging-tests-upgrade"
-        command: ./.ci/scripts/packaging-test.sh -Dbwc.checkout.align=true destructiveDistroUpgradeTest.v7.17.27
+      - label: "{{matrix.image}} / 7.17.28 / packaging-tests-upgrade"
+        command: ./.ci/scripts/packaging-test.sh -Dbwc.checkout.align=true destructiveDistroUpgradeTest.v7.17.28
         timeout_in_minutes: 300
         matrix:
           setup:
@@ -318,7 +318,7 @@ steps:
           machineType: custom-16-32768
           buildDirectory: /dev/shm/bk
         env:
-          BWC_VERSION: 7.17.27
+          BWC_VERSION: 7.17.28
 
       - label: "{{matrix.image}} / 8.0.1 / packaging-tests-upgrade"
         command: ./.ci/scripts/packaging-test.sh -Dbwc.checkout.align=true destructiveDistroUpgradeTest.v8.0.1
diff --git a/.buildkite/pipelines/periodic.yml b/.buildkite/pipelines/periodic.yml
index 22b2915bff40b..dde2ff64b4c39 100644
--- a/.buildkite/pipelines/periodic.yml
+++ b/.buildkite/pipelines/periodic.yml
@@ -325,8 +325,8 @@ steps:
             - signal_reason: agent_stop
               limit: 3
 
-      - label: 7.17.27 / bwc
-        command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true v7.17.27#bwcTest
+      - label: 7.17.28 / bwc
+        command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true v7.17.28#bwcTest
         timeout_in_minutes: 300
         agents:
           provider: gcp
@@ -335,7 +335,7 @@ steps:
           buildDirectory: /dev/shm/bk
           preemptible: true
         env:
-          BWC_VERSION: 7.17.27
+          BWC_VERSION: 7.17.28
         retry:
           automatic:
             - exit_status: "-1"
@@ -733,7 +733,7 @@ steps:
           setup:
             ES_RUNTIME_JAVA:
               - openjdk17
-            BWC_VERSION: ["7.17.27", "8.16.3"]
+            BWC_VERSION: ["7.17.28", "8.16.3"]
         agents:
           provider: gcp
           image: family/elasticsearch-ubuntu-2004
@@ -781,7 +781,7 @@ steps:
               - openjdk21
               - openjdk22
               - openjdk23
-            BWC_VERSION: ["7.17.27", "8.16.3"]
+            BWC_VERSION: ["7.17.28", "8.16.3"]
         agents:
           provider: gcp
           image: family/elasticsearch-ubuntu-2004
diff --git a/.ci/bwcVersions b/.ci/bwcVersions
index 35197097760d7..f6cd1b87dbdd8 100644
--- a/.ci/bwcVersions
+++ b/.ci/bwcVersions
@@ -16,7 +16,7 @@ BWC_VERSION:
   - "7.14.2"
   - "7.15.2"
   - "7.16.3"
-  - "7.17.27"
+  - "7.17.28"
   - "8.0.1"
   - "8.1.3"
   - "8.2.3"
diff --git a/.ci/snapshotBwcVersions b/.ci/snapshotBwcVersions
index 321b2fbaa2b44..0636497557507 100644
--- a/.ci/snapshotBwcVersions
+++ b/.ci/snapshotBwcVersions
@@ -1,3 +1,3 @@
 BWC_VERSION:
-  - "7.17.27"
+  - "7.17.28"
   - "8.16.3"
diff --git a/server/src/main/java/org/elasticsearch/Version.java b/server/src/main/java/org/elasticsearch/Version.java
index 11d72c6daf405..f85c26c479517 100644
--- a/server/src/main/java/org/elasticsearch/Version.java
+++ b/server/src/main/java/org/elasticsearch/Version.java
@@ -128,6 +128,7 @@ public class Version implements VersionId<Version>, ToXContentFragment {
     public static final Version V_7_17_25 = new Version(7_17_25_99);
     public static final Version V_7_17_26 = new Version(7_17_26_99);
     public static final Version V_7_17_27 = new Version(7_17_27_99);
+    public static final Version V_7_17_28 = new Version(7_17_28_99);
 
     public static final Version V_8_0_0 = new Version(8_00_00_99);
     public static final Version V_8_0_1 = new Version(8_00_01_99);
diff --git a/server/src/main/resources/org/elasticsearch/TransportVersions.csv b/server/src/main/resources/org/elasticsearch/TransportVersions.csv
index 3b5018786f822..c4a364c991845 100644
--- a/server/src/main/resources/org/elasticsearch/TransportVersions.csv
+++ b/server/src/main/resources/org/elasticsearch/TransportVersions.csv
@@ -74,6 +74,7 @@
 7.17.24,7172499
 7.17.25,7172599
 7.17.26,7172699
+7.17.27,7172799
 8.0.0,8000099
 8.0.1,8000199
 8.1.0,8010099
diff --git a/server/src/main/resources/org/elasticsearch/index/IndexVersions.csv b/server/src/main/resources/org/elasticsearch/index/IndexVersions.csv
index 74601cf5d2445..e301f13882448 100644
--- a/server/src/main/resources/org/elasticsearch/index/IndexVersions.csv
+++ b/server/src/main/resources/org/elasticsearch/index/IndexVersions.csv
@@ -74,6 +74,7 @@
 7.17.24,7172499
 7.17.25,7172599
 7.17.26,7172699
+7.17.27,7172799
 8.0.0,8000099
 8.0.1,8000199
 8.1.0,8010099