diff --git a/CHANGELOG.md b/CHANGELOG.md
index 31b7926b11..6221706730 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,34 @@
 # Changelog
 
+## v3.23.0 (2026-09-24)
+
+### New Features
+
+- feat(pipeline): add inference and lineage step types (#6224)
+- feat(train): finetuningoptions validation telemetry (#6286)
+- feat(train): apply constructor hyperparameters in fine-tuning trainers (#6293)
+- feat(serve): update SDK to use latest LMI v29 image for sdk v3.x (#6301)
+
+### Bug Fixes
+
+- fix(core): recognize new duplicate-name wording; actionable train() errors (#6256)
+- fix(train): raise on invalid constructor hyperparameters (#6306)
+- fix(core): keep environment variable names intact when parsing private hub model documents (#6204)
+- fix: migrate llama-cpp-arm64 to cpu processor schema and align image_uri unit tests (#6290)
+- fix(serve): use the correct AMI when on cu130 to avoid crashes at launch (#6281)
+
+### Other
+
+- change: update image_uri_configs 09-23-2026 (#6308)
+- change: update image_uri_configs 09-22-2026 (#6304)
+- add: metadata for huggingface vllm v0.29 (#6300)
+
+### Tests
+
+- fix PR check tests (#6272)
+- fix: codestyle-doc-tests pass in all four submodules (#6294)
+
+
 ## v3.22.1 (2026-09-17)
 
 ### Bug Fixes
diff --git a/VERSION b/VERSION
index 732c06105d..ee893b7e0e 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-3.22.1
+3.23.0
diff --git a/pyproject.toml b/pyproject.toml
index 3c70ea06e5..33df39bb3b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,10 +32,10 @@ classifiers = [
   "Programming Language :: Python :: 3.12",
 ]
 dependencies = [
-  "sagemaker-core>=2.22.1,<3.0.0",
-  "sagemaker-train>=1.22.1,<2.0.0",
-  "sagemaker-serve>=1.22.1,<2.0.0",
-  "sagemaker-mlops>=1.22.1,<2.0.0",
+  "sagemaker-core>=2.23.0,<3.0.0",
+  "sagemaker-train>=1.23.0,<2.0.0",
+  "sagemaker-serve>=1.23.0,<2.0.0",
+  "sagemaker-mlops>=1.23.0,<2.0.0",
 ]
 
 [project.optional-dependencies]
diff --git a/sagemaker-core/CHANGELOG.md b/sagemaker-core/CHANGELOG.md
index 3e1f4e9134..31a0f652cf 100644
--- a/sagemaker-core/CHANGELOG.md
+++ b/sagemaker-core/CHANGELOG.md
@@ -1,5 +1,24 @@
 # Changelog
 
+## v2.23.0 (2026-09-24)
+
+### Bug Fixes
+
+- fix(core): recognize new duplicate-name wording; actionable train() errors (#6256)
+- fix(core): keep environment variable names intact when parsing private hub model documents (#6204)
+- fix: migrate llama-cpp-arm64 to cpu processor schema and align image_uri unit tests (#6290)
+
+### Other
+
+- change: update image_uri_configs 09-23-2026 (#6308)
+- change: update image_uri_configs 09-22-2026 (#6304)
+- add: metadata for huggingface vllm v0.29 (#6300)
+
+### Tests
+
+- fix: codestyle-doc-tests pass in all four submodules (#6294)
+
+
 ## v2.22.1 (2026-09-17)
 
 ### Bug Fixes
diff --git a/sagemaker-core/VERSION b/sagemaker-core/VERSION
index d93847fab5..e9763f6bfe 100644
--- a/sagemaker-core/VERSION
+++ b/sagemaker-core/VERSION
@@ -1 +1 @@
-2.22.1
+2.23.0
diff --git a/sagemaker-mlops/CHANGELOG.md b/sagemaker-mlops/CHANGELOG.md
index b31b438397..1e05b5c165 100644
--- a/sagemaker-mlops/CHANGELOG.md
+++ b/sagemaker-mlops/CHANGELOG.md
@@ -1,5 +1,16 @@
 # Changelog
 
+## v1.23.0 (2026-09-24)
+
+### New Features
+
+- feat(pipeline): add inference and lineage step types (#6224)
+
+### Tests
+
+- fix: codestyle-doc-tests pass in all four submodules (#6294)
+
+
 ## v1.22.1 (2026-09-17)
 
 - Update module dependencies
diff --git a/sagemaker-mlops/VERSION b/sagemaker-mlops/VERSION
index 6245beecd3..a6c2798a48 100644
--- a/sagemaker-mlops/VERSION
+++ b/sagemaker-mlops/VERSION
@@ -1 +1 @@
-1.22.1
+1.23.0
diff --git a/sagemaker-mlops/pyproject.toml b/sagemaker-mlops/pyproject.toml
index 3173374d20..57b9bb12e7 100644
--- a/sagemaker-mlops/pyproject.toml
+++ b/sagemaker-mlops/pyproject.toml
@@ -22,9 +22,9 @@ classifiers = [
     "Programming Language :: Python :: 3.12",
 ]
 dependencies = [
-    "sagemaker-core>=2.22.1",
-    "sagemaker-train>=1.22.1",
-    "sagemaker-serve>=1.22.1",
+    "sagemaker-core>=2.23.0",
+    "sagemaker-train>=1.23.0",
+    "sagemaker-serve>=1.23.0",
     "cryptography>=46.0.0",
     "boto3>=1.42.2,<2.0",
     "botocore>=1.42.2,<2.0",
diff --git a/sagemaker-serve/CHANGELOG.md b/sagemaker-serve/CHANGELOG.md
index 03735bf2aa..8219d9d852 100644
--- a/sagemaker-serve/CHANGELOG.md
+++ b/sagemaker-serve/CHANGELOG.md
@@ -1,5 +1,21 @@
 # Changelog
 
+## v1.23.0 (2026-09-24)
+
+### New Features
+
+- feat(serve): update SDK to use latest LMI v29 image for sdk v3.x (#6301)
+
+### Bug Fixes
+
+- fix(serve): use the correct AMI when on cu130 to avoid crashes at launch (#6281)
+
+### Tests
+
+- fix PR check tests (#6272)
+- fix: codestyle-doc-tests pass in all four submodules (#6294)
+
+
 ## v1.22.1 (2026-09-17)
 
 ### Bug Fixes
diff --git a/sagemaker-serve/VERSION b/sagemaker-serve/VERSION
index 6245beecd3..a6c2798a48 100644
--- a/sagemaker-serve/VERSION
+++ b/sagemaker-serve/VERSION
@@ -1 +1 @@
-1.22.1
+1.23.0
diff --git a/sagemaker-serve/pyproject.toml b/sagemaker-serve/pyproject.toml
index 92fd2952d2..9e923f1e0a 100644
--- a/sagemaker-serve/pyproject.toml
+++ b/sagemaker-serve/pyproject.toml
@@ -22,8 +22,8 @@ classifiers = [
     "Programming Language :: Python :: 3.12",
 ]
 dependencies = [
-    "sagemaker-core>=2.22.1",
-    "sagemaker-train>=1.22.1",
+    "sagemaker-core>=2.23.0",
+    "sagemaker-train>=1.23.0",
     "boto3>=1.42.2,<2.0",
     "botocore>=1.35.75,<2.0",
     "deepdiff",
diff --git a/sagemaker-train/CHANGELOG.md b/sagemaker-train/CHANGELOG.md
index ecf61d4ef0..c456458be7 100644
--- a/sagemaker-train/CHANGELOG.md
+++ b/sagemaker-train/CHANGELOG.md
@@ -1,5 +1,22 @@
 # Changelog
 
+## v1.23.0 (2026-09-24)
+
+### New Features
+
+- feat(train): finetuningoptions validation telemetry (#6286)
+- feat(train): apply constructor hyperparameters in fine-tuning trainers (#6293)
+
+### Bug Fixes
+
+- fix(train): raise on invalid constructor hyperparameters (#6306)
+
+### Tests
+
+- fix PR check tests (#6272)
+- fix: codestyle-doc-tests pass in all four submodules (#6294)
+
+
 ## v1.22.1 (2026-09-17)
 
 ### Bug Fixes
diff --git a/sagemaker-train/VERSION b/sagemaker-train/VERSION
index 6245beecd3..a6c2798a48 100644
--- a/sagemaker-train/VERSION
+++ b/sagemaker-train/VERSION
@@ -1 +1 @@
-1.22.1
+1.23.0
diff --git a/sagemaker-train/pyproject.toml b/sagemaker-train/pyproject.toml
index 3ead2ce2f7..a78dadfac1 100644
--- a/sagemaker-train/pyproject.toml
+++ b/sagemaker-train/pyproject.toml
@@ -32,7 +32,7 @@ classifiers = [
   "Programming Language :: Python :: 3.12",
 ]
 dependencies = [
-    "sagemaker-core>=2.22.1",
+    "sagemaker-core>=2.23.0",
     "graphene>=3,<4",
     "typing_extensions>=4.9.0",
     "tblib>=1.7.0",