diff --git a/build/Makefile b/build/Makefile
index 0604f5b09c..9a9c0fa4e4 100644
--- a/build/Makefile
+++ b/build/Makefile
@@ -24,7 +24,7 @@
 #
 
 # base version target. This is usually the next release.
-base_version = 1.8.0
+base_version = 1.9.0
 
 # agones image release registry
 release_registry = gcr.io/agones-images
diff --git a/install/helm/agones/Chart.yaml b/install/helm/agones/Chart.yaml
index d26232ae7e..4525daa940 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: "1.8.0"
-version: 1.8.0
+appVersion: "1.9.0-dev"
+version: 1.9.0-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 bfacd97733..6364bca432 100644
--- a/install/helm/agones/values.yaml
+++ b/install/helm/agones/values.yaml
@@ -130,7 +130,7 @@ agones:
     disableMTLS: false
   image:
     registry: gcr.io/agones-images
-    tag: 1.8.0
+    tag: 1.9.0-dev
     controller:
       name: agones-controller
       pullPolicy: IfNotPresent
diff --git a/install/yaml/install.yaml b/install/yaml/install.yaml
index e85cb49b52..42a9ceaba3 100644
--- a/install/yaml/install.yaml
+++ b/install/yaml/install.yaml
@@ -8,7 +8,7 @@ metadata:
   namespace: agones-system
   labels:
     app: agones
-    chart: agones-1.8.0
+    chart: agones-1.9.0-dev
     release: agones-manual
     heritage: Helm
 ---
@@ -33,7 +33,7 @@ metadata:
   namespace: agones-system
   labels:
     app: agones
-    chart: agones-1.8.0
+    chart: agones-1.9.0-dev
     release: agones-manual
     heritage: Helm
 ---
@@ -58,7 +58,7 @@ metadata:
   namespace: default
   labels:
     app: agones
-    chart: agones-1.8.0
+    chart: agones-1.9.0-dev
     release: agones-manual
     heritage: Helm
 ---
@@ -70,7 +70,7 @@ metadata:
   namespace: agones-system
   labels:
     app: agones-manual
-    chart: "agones-1.8.0"
+    chart: "agones-1.9.0-dev"
     release: "agones-manual"
     heritage: "Helm"
 type: Opaque
@@ -87,7 +87,7 @@ metadata:
   namespace: agones-system
   labels:
     app: agones-manual
-    chart: "agones-1.8.0"
+    chart: "agones-1.9.0-dev"
     release: "agones-manual"
     heritage: "Helm"
 data:
@@ -103,7 +103,7 @@ metadata:
   namespace: agones-system
   labels:
     app: agones-manual
-    chart: "agones-1.8.0"
+    chart: "agones-1.9.0-dev"
     release: "agones-manual"
     heritage: "Helm"
 data:
@@ -119,7 +119,7 @@ metadata:
   namespace: agones-system
   labels:
     app: agones-manual
-    chart: "agones-1.8.0"
+    chart: "agones-1.9.0-dev"
     release: "agones-manual"
     heritage: "Helm"
 data:
@@ -147,7 +147,7 @@ metadata:
   labels:
     component: crd
     app: agones
-    chart: agones-1.8.0
+    chart: agones-1.9.0-dev
     release: agones-manual
     heritage: Helm
 spec:
@@ -382,7 +382,7 @@ metadata:
   labels:
     component: crd
     app: agones
-    chart: agones-1.8.0
+    chart: agones-1.9.0-dev
     release: agones-manual
     heritage: Helm
 spec:
@@ -467,7 +467,7 @@ metadata:
   labels:
     component: crd
     app: agones
-    chart: agones-1.8.0
+    chart: agones-1.9.0-dev
     release: agones-manual
     heritage: Helm
 spec:
@@ -668,7 +668,7 @@ metadata:
     controller-tools.k8s.io: "1.0"
     component: crd
     app: agones
-    chart: agones-1.8.0
+    chart: agones-1.9.0-dev
     release: agones-manual
     heritage: Helm
   name: gameserverallocationpolicies.multicluster.agones.dev
@@ -763,7 +763,7 @@ metadata:
   labels:
     component: crd
     app: agones
-    chart: agones-1.8.0
+    chart: agones-1.9.0-dev
     release: agones-manual
     heritage: Helm
 spec:
@@ -980,7 +980,7 @@ metadata:
   namespace: agones-system
   labels:
     app: agones
-    chart: agones-1.8.0
+    chart: agones-1.9.0-dev
     release: agones-manual
     heritage: Helm
 rules:
@@ -1011,7 +1011,7 @@ metadata:
   namespace: agones-system
   labels:
     app: agones
-    chart: agones-1.8.0
+    chart: agones-1.9.0-dev
     release: agones-manual
     heritage: Helm
 rules:
@@ -1057,7 +1057,7 @@ metadata:
   namespace: agones-system
   labels:
     app: agones
-    chart: agones-1.8.0
+    chart: agones-1.9.0-dev
     release: agones-manual
     heritage: Helm
 rules:
@@ -1077,7 +1077,7 @@ metadata:
   namespace: agones-system
   labels:
     app: agones
-    chart: agones-1.8.0
+    chart: agones-1.9.0-dev
     release: agones-manual
     heritage: Helm
 subjects:
@@ -1097,7 +1097,7 @@ metadata:
   namespace: agones-system
   labels:
     app: agones
-    chart: agones-1.8.0
+    chart: agones-1.9.0-dev
     release: agones-manual
     heritage: Helm
 subjects:
@@ -1149,7 +1149,7 @@ metadata:
   namespace: default
   labels:
     app: agones
-    chart: agones-1.8.0
+    chart: agones-1.9.0-dev
     release: agones-manual
     heritage: Helm
 subjects:
@@ -1170,7 +1170,7 @@ metadata:
   labels:
     component: ping
     app: agones
-    chart: agones-1.8.0
+    chart: agones-1.9.0-dev
     release: agones-manual
     heritage: Helm
 spec:
@@ -1192,7 +1192,7 @@ metadata:
   labels:
     component: ping
     app: agones
-    chart: agones-1.8.0
+    chart: agones-1.9.0-dev
     release: agones-manual
     heritage: Helm
 spec:
@@ -1228,7 +1228,7 @@ metadata:
   labels:
     agones.dev/role: controller
     app: agones
-    chart: agones-1.8.0
+    chart: agones-1.9.0-dev
     release: agones-manual
     heritage: Helm
 spec:
@@ -1264,7 +1264,7 @@ metadata:
   labels:
     component: allocator
     app: agones
-    chart: agones-1.8.0
+    chart: agones-1.9.0-dev
     release: agones-manual
     heritage: Helm
 spec:
@@ -1300,7 +1300,7 @@ metadata:
   labels:
     component: controller
     app: agones
-    chart: agones-1.8.0
+    chart: agones-1.9.0-dev
     release: agones-manual
     heritage: Helm
 spec:
@@ -1343,7 +1343,7 @@ spec:
       serviceAccountName: agones-controller
       containers:
       - name: agones-controller
-        image: "gcr.io/agones-images/agones-controller:1.8.0"
+        image: "gcr.io/agones-images/agones-controller:1.9.0-dev"
         imagePullPolicy: IfNotPresent
         env:
         # minimum port that can be exposed to GameServer traffic
@@ -1353,7 +1353,7 @@ spec:
         - name: MAX_PORT
           value: "8000"
         - name: SIDECAR_IMAGE # overwrite the GameServer sidecar image that is used
-          value: "gcr.io/agones-images/agones-sdk:1.8.0"
+          value: "gcr.io/agones-images/agones-sdk:1.9.0-dev"
         - name: ALWAYS_PULL_SIDECAR # set the sidecar imagePullPolicy to Always
           value: "false"
         - name: SIDECAR_CPU_REQUEST
@@ -1442,7 +1442,7 @@ metadata:
   labels:
     component: ping
     app: agones
-    chart: agones-1.8.0
+    chart: agones-1.9.0-dev
     release: agones-manual
     heritage: Helm
 spec:
@@ -1477,7 +1477,7 @@ spec:
       priorityClassName: agones-system
       containers:
         - name: agones-ping
-          image: "gcr.io/agones-images/agones-ping:1.8.0"
+          image: "gcr.io/agones-images/agones-ping:1.9.0-dev"
           imagePullPolicy: IfNotPresent
           livenessProbe:
             httpGet:
@@ -1551,7 +1551,7 @@ spec:
           secretName: allocator-client-ca
       containers:
       - name: agones-allocator
-        image: "gcr.io/agones-images/agones-allocator:1.8.0"
+        image: "gcr.io/agones-images/agones-allocator:1.9.0-dev"
         imagePullPolicy: IfNotPresent
         livenessProbe:
           httpGet:
@@ -1607,7 +1607,7 @@ metadata:
   labels:
     component: controller
     app: agones
-    chart: agones-1.8.0
+    chart: agones-1.9.0-dev
     release: agones-manual
     heritage: Helm
 spec:
@@ -1646,7 +1646,7 @@ metadata:
   labels:
     component: controller
     app: agones
-    chart: agones-1.8.0
+    chart: agones-1.9.0-dev
     release: agones-manual
     heritage: Helm
 webhooks:
@@ -1686,7 +1686,7 @@ metadata:
   labels:
     component: controller
     app: agones
-    chart: agones-1.8.0
+    chart: agones-1.9.0-dev
     release: agones-manual
     heritage: Helm
 webhooks:
diff --git a/sdks/nodejs/package.json b/sdks/nodejs/package.json
index 50ee245074..c42f05b519 100644
--- a/sdks/nodejs/package.json
+++ b/sdks/nodejs/package.json
@@ -27,5 +27,5 @@
     "publishConfig": {
         "access": "public"
     },
-    "version": "1.8.0"
+    "version": "1.9.0-dev"
 }