diff --git a/build/Makefile b/build/Makefile
index a13d2fe9e3..d6b61b93b6 100644
--- a/build/Makefile
+++ b/build/Makefile
@@ -24,7 +24,7 @@
 #
 
 # base version target. This is usually the next release.
-base_version = 1.38.0
+base_version = 1.39.0
 
 #
 # All of the following can be overwritten with environment variables
diff --git a/install/helm/agones/Chart.yaml b/install/helm/agones/Chart.yaml
index 0961bd178a..6c272e3b29 100644
--- a/install/helm/agones/Chart.yaml
+++ b/install/helm/agones/Chart.yaml
@@ -15,8 +15,8 @@
 # Declare variables to be passed into your templates.
 
 apiVersion: v1
-appVersion: "1.38.0"
-version: 1.38.0
+appVersion: "1.39.0-dev"
+version: 1.39.0-dev
 name: agones
 description: a library for hosting, running and scaling dedicated game servers on Kubernetes.
 keywords:
diff --git a/install/helm/agones/values.yaml b/install/helm/agones/values.yaml
index 9e2d8a5fcd..2a33aae207 100644
--- a/install/helm/agones/values.yaml
+++ b/install/helm/agones/values.yaml
@@ -254,7 +254,7 @@ agones:
     topologySpreadConstraints: {}
   image:
     registry: us-docker.pkg.dev/agones-images/release
-    tag: 1.38.0
+    tag: 1.39.0-dev
     controller:
       name: agones-controller
       pullPolicy: IfNotPresent
diff --git a/install/yaml/install.yaml b/install/yaml/install.yaml
index 953f43d167..c5dac51e2f 100644
--- a/install/yaml/install.yaml
+++ b/install/yaml/install.yaml
@@ -50,7 +50,7 @@ metadata:
   namespace: agones-system
   labels:
     app: agones
-    chart: agones-1.38.0
+    chart: agones-1.39.0-dev
     release: agones-manual
     heritage: Helm
 ---
@@ -75,7 +75,7 @@ metadata:
   namespace: agones-system
   labels:
     app: agones
-    chart: agones-1.38.0
+    chart: agones-1.39.0-dev
     release: agones-manual
     heritage: Helm
 ---
@@ -100,7 +100,7 @@ metadata:
   namespace: default
   labels:
     app: agones
-    chart: agones-1.38.0
+    chart: agones-1.39.0-dev
     release: agones-manual
     heritage: Helm
 ---
@@ -112,7 +112,7 @@ metadata:
   namespace: agones-system
   labels:
     app: agones
-    chart: "agones-1.38.0"
+    chart: "agones-1.39.0-dev"
     release: "agones-manual"
     heritage: "Helm"
 type: Opaque
@@ -129,7 +129,7 @@ metadata:
   namespace: agones-system
   labels:
     app: agones
-    chart: "agones-1.38.0"
+    chart: "agones-1.39.0-dev"
     release: "agones-manual"
     heritage: "Helm"
 data:
@@ -145,7 +145,7 @@ metadata:
   namespace: agones-system
   labels:
     app: agones
-    chart: "agones-1.38.0"
+    chart: "agones-1.39.0-dev"
     release: "agones-manual"
     heritage: "Helm"
 data:
@@ -161,7 +161,7 @@ metadata:
   namespace: agones-system
   labels:
     app: agones
-    chart: "agones-1.38.0"
+    chart: "agones-1.39.0-dev"
     release: "agones-manual"
     heritage: "Helm"
 data:
@@ -191,7 +191,7 @@ metadata:
   labels:
     component: crd
     app: agones
-    chart: agones-1.38.0
+    chart: agones-1.39.0-dev
     release: agones-manual
     heritage: Helm
 spec:
@@ -5626,7 +5626,7 @@ metadata:
   labels:
     component: crd
     app: agones
-    chart: agones-1.38.0
+    chart: agones-1.39.0-dev
     release: agones-manual
     heritage: Helm
 spec:
@@ -5816,7 +5816,7 @@ metadata:
   labels:
     component: crd
     app: agones
-    chart: agones-1.38.0
+    chart: agones-1.39.0-dev
     release: agones-manual
     heritage: Helm
 spec:
@@ -11084,7 +11084,7 @@ metadata:
   labels:
     component: crd
     app: agones
-    chart: agones-1.38.0
+    chart: agones-1.39.0-dev
     release: agones-manual
     heritage: Helm
   name: gameserverallocationpolicies.multicluster.agones.dev
@@ -11163,7 +11163,7 @@ metadata:
   labels:
     component: crd
     app: agones
-    chart: agones-1.38.0
+    chart: agones-1.39.0-dev
     release: agones-manual
     heritage: Helm
 spec:
@@ -16567,7 +16567,7 @@ metadata:
   name: agones-allocator
   labels:
     app: agones
-    chart: agones-1.38.0
+    chart: agones-1.39.0-dev
     release: agones-manual
     heritage: Helm
 rules:
@@ -16597,7 +16597,7 @@ metadata:
   name: agones-controller
   labels:
     app: agones
-    chart: agones-1.38.0
+    chart: agones-1.39.0-dev
     release: agones-manual
     heritage: Helm
 rules:
@@ -16651,7 +16651,7 @@ metadata:
   name: agones-sdk
   labels:
     app: agones
-    chart: agones-1.38.0
+    chart: agones-1.39.0-dev
     release: agones-manual
     heritage: Helm
 rules:
@@ -16670,7 +16670,7 @@ metadata:
   name: agones-allocator
   labels:
     app: agones
-    chart: agones-1.38.0
+    chart: agones-1.39.0-dev
     release: agones-manual
     heritage: Helm
 subjects:
@@ -16689,7 +16689,7 @@ metadata:
   name: agones-controller-access
   labels:
     app: agones
-    chart: agones-1.38.0
+    chart: agones-1.39.0-dev
     release: agones-manual
     heritage: Helm
 subjects:
@@ -16741,7 +16741,7 @@ metadata:
   namespace: default
   labels:
     app: agones
-    chart: agones-1.38.0
+    chart: agones-1.39.0-dev
     release: agones-manual
     heritage: Helm
 subjects:
@@ -16775,7 +16775,7 @@ metadata:
   labels:
     agones.dev/role: controller
     app: agones
-    chart: agones-1.38.0
+    chart: agones-1.39.0-dev
     release: agones-manual
     heritage: Helm
 spec:
@@ -16809,7 +16809,7 @@ metadata:
   labels:
     agones.dev/role: extensions
     app: agones
-    chart: agones-1.38.0
+    chart: agones-1.39.0-dev
     release: agones-manual
     heritage: Helm
 spec:
@@ -16829,7 +16829,7 @@ metadata:
   labels:
     component: ping
     app: agones
-    chart: agones-1.38.0
+    chart: agones-1.39.0-dev
     release: agones-manual
     heritage: Helm
 spec:
@@ -16851,7 +16851,7 @@ metadata:
   labels:
     component: ping
     app: agones
-    chart: agones-1.38.0
+    chart: agones-1.39.0-dev
     release: agones-manual
     heritage: Helm
 spec:
@@ -16887,7 +16887,7 @@ metadata:
   labels:
     agones.dev/role: extensions
     app: agones
-    chart: agones-1.38.0
+    chart: agones-1.39.0-dev
     release: agones-manual
     heritage: Helm
 spec:
@@ -16924,7 +16924,7 @@ metadata:
   labels:
     component: allocator
     app: agones
-    chart: agones-1.38.0
+    chart: agones-1.39.0-dev
     release: agones-manual
     heritage: Helm
 spec:
@@ -16946,7 +16946,7 @@ metadata:
   labels:
     multicluster.agones.dev/role: allocator
     app: agones
-    chart: agones-1.38.0
+    chart: agones-1.39.0-dev
     release: agones-manual
     heritage: Helm
 spec:
@@ -16980,7 +16980,7 @@ metadata:
   labels:
     component: controller
     app: agones
-    chart: agones-1.38.0
+    chart: agones-1.39.0-dev
     release: agones-manual
     heritage: Helm
 spec:
@@ -17022,7 +17022,7 @@ spec:
       serviceAccountName: agones-controller
       containers:
       - name: agones-controller
-        image: "us-docker.pkg.dev/agones-images/release/agones-controller:1.38.0"
+        image: "us-docker.pkg.dev/agones-images/release/agones-controller:1.39.0-dev"
         imagePullPolicy: IfNotPresent
         env:
         # minimum port that can be exposed to GameServer traffic
@@ -17032,7 +17032,7 @@ spec:
         - name: MAX_PORT
           value: "8000"
         - name: SIDECAR_IMAGE # overwrite the GameServer sidecar image that is used
-          value: "us-docker.pkg.dev/agones-images/release/agones-sdk:1.38.0"
+          value: "us-docker.pkg.dev/agones-images/release/agones-sdk:1.39.0-dev"
         - name: ALWAYS_PULL_SIDECAR # set the sidecar imagePullPolicy to Always
           value: "false"
         - name: SIDECAR_CPU_REQUEST
@@ -17138,7 +17138,7 @@ metadata:
   labels:
     component: extensions
     app: agones
-    chart: agones-1.38.0
+    chart: agones-1.39.0-dev
     release: agones-manual
     heritage: Helm
 spec:
@@ -17182,7 +17182,7 @@ spec:
       terminationGracePeriodSeconds: 27
       containers:
       - name: agones-extensions
-        image: "us-docker.pkg.dev/agones-images/release/agones-extensions:1.38.0"
+        image: "us-docker.pkg.dev/agones-images/release/agones-extensions:1.39.0-dev"
         imagePullPolicy: IfNotPresent
         env:
         - name: PROMETHEUS_EXPORTER
@@ -17284,7 +17284,7 @@ metadata:
   labels:
     component: ping
     app: agones
-    chart: agones-1.38.0
+    chart: agones-1.39.0-dev
     release: agones-manual
     heritage: Helm
 spec:
@@ -17319,7 +17319,7 @@ spec:
       priorityClassName: agones-system
       containers:
         - name: agones-ping
-          image: "us-docker.pkg.dev/agones-images/release/agones-ping:1.38.0"
+          image: "us-docker.pkg.dev/agones-images/release/agones-ping:1.39.0-dev"
           imagePullPolicy: IfNotPresent
           livenessProbe:
             httpGet:
@@ -17393,7 +17393,7 @@ spec:
           secretName: allocator-client-ca
       containers:
       - name: agones-allocator
-        image: "us-docker.pkg.dev/agones-images/release/agones-allocator:1.38.0"
+        image: "us-docker.pkg.dev/agones-images/release/agones-allocator:1.39.0-dev"
         imagePullPolicy: IfNotPresent
         livenessProbe:
           httpGet:
@@ -17474,7 +17474,7 @@ metadata:
   labels:
     component: controller
     app: agones
-    chart: agones-1.38.0
+    chart: agones-1.39.0-dev
     release: agones-manual
     heritage: Helm
 spec:
@@ -17525,7 +17525,7 @@ metadata:
   labels:
     component: controller
     app: agones
-    chart: agones-1.38.0
+    chart: agones-1.39.0-dev
     release: agones-manual
     heritage: Helm
 webhooks:
@@ -17577,7 +17577,7 @@ metadata:
   labels:
     component: controller
     app: agones
-    chart: agones-1.38.0
+    chart: agones-1.39.0-dev
     release: agones-manual
     heritage: Helm
 webhooks:
diff --git a/sdks/csharp/sdk/AgonesSDK.nuspec b/sdks/csharp/sdk/AgonesSDK.nuspec
index 17732e85b4..52088b3882 100644
--- a/sdks/csharp/sdk/AgonesSDK.nuspec
+++ b/sdks/csharp/sdk/AgonesSDK.nuspec
@@ -2,7 +2,7 @@
 <package >
   <metadata>
     <id>AgonesSDK</id>
-    <version>1.38.0</version>
+    <version>1.39.0-dev</version>
     <authors>Google LLC</authors>
     <owners>Google LLC</owners>
     <requireLicenseAcceptance>false</requireLicenseAcceptance>
diff --git a/sdks/csharp/sdk/csharp-sdk.csproj b/sdks/csharp/sdk/csharp-sdk.csproj
index a2dced1a0f..61084f0de8 100644
--- a/sdks/csharp/sdk/csharp-sdk.csproj
+++ b/sdks/csharp/sdk/csharp-sdk.csproj
@@ -13,7 +13,7 @@
     <PackageProjectUrl>https://agones.dev</PackageProjectUrl>
     <PackageLicenseUrl>http://www.apache.org/licenses/LICENSE-2.0</PackageLicenseUrl>
     <AssemblyName>AgonesSDK</AssemblyName>
-    <Version>1.38.0</Version>
+    <Version>1.39.0-dev</Version>
     <PackageTags>agones, googleforgames, kuberenetes, multiplayer, gameservers</PackageTags>
     <Company>agones.dev</Company>
     <Configurations>Debug;Release;DebugProtoGen</Configurations>
diff --git a/sdks/nodejs/package-lock.json b/sdks/nodejs/package-lock.json
index d744398cfc..c6e6ff4fd8 100644
--- a/sdks/nodejs/package-lock.json
+++ b/sdks/nodejs/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "@google-cloud/agones-sdk",
-    "version": "1.38.0",
+    "version": "1.39.0-dev",
     "lockfileVersion": 2,
     "requires": true,
     "packages": {
         "": {
             "name": "@google-cloud/agones-sdk",
-            "version": "1.38.0",
+            "version": "1.39.0-dev",
             "license": "Apache-2.0",
             "dependencies": {
                 "@grpc/grpc-js": "1.7.3",
diff --git a/sdks/nodejs/package.json b/sdks/nodejs/package.json
index 0bdfd57b07..0c16d725bc 100644
--- a/sdks/nodejs/package.json
+++ b/sdks/nodejs/package.json
@@ -26,5 +26,5 @@
     "publishConfig": {
         "access": "public"
     },
-    "version": "1.38.0"
+    "version": "1.39.0-dev"
 }
diff --git a/sdks/rust/Cargo.toml b/sdks/rust/Cargo.toml
index a597d8baf1..5412d09435 100644
--- a/sdks/rust/Cargo.toml
+++ b/sdks/rust/Cargo.toml
@@ -14,7 +14,7 @@
 
 [package]
 name = "agones"
-version = "1.38.0"
+version = "1.39.0-dev"
 edition = "2021"
 description = "The Rust SDK for Agones."
 license = "Apache-2.0"
diff --git a/sdks/unity/package.json b/sdks/unity/package.json
index 8824227d6b..c69da90050 100644
--- a/sdks/unity/package.json
+++ b/sdks/unity/package.json
@@ -1,6 +1,6 @@
 {
     "name": "com.googleforgames.agones",
-    "version": "1.38.0",
+    "version": "1.39.0-dev",
     "displayName": "Agones Unity SDK",
     "description": "The Unity Gameserver SDK for Agones",
     "unity": "2019.1",
diff --git a/site/content/en/blog/releases/1.38.0.md b/site/content/en/blog/releases/1.38.0.md
index 3d8845baab..4629291cd0 100644
--- a/site/content/en/blog/releases/1.38.0.md
+++ b/site/content/en/blog/releases/1.38.0.md
@@ -13,7 +13,7 @@ Key highlights of this release include Nodepool Upgrades on GKE Terraform and th
 
 - **Nodepool Upgrades on GKE Terraform:** It’s an important update for managing node pools in Kubernetes clusters. We've separated node pool definitions from the cluster setup, allowing for easier updates and synchronization between control planes and nodes.
 
-- **Pod Topology Spread Constraints:** Want to utilize Pod Topology Spread Constraints on Agones components? Now you can with our new configuration options on our Helm chart.
+- **Pod Topology Spread Constraints:** Want to utilize [Pod Topology Spread Constraints](https://kubernetes.io/docs/concepts/scheduling-eviction/topology-spread-constraints/) on Agones components? Now you can with our new configuration options on our Helm chart.
 
 
 Check the <a href="https://github.com/googleforgames/agones/tree/release-1.38.0" data-proofer-ignore>README</a> for details on features, installation and usage.