diff --git a/build/release/post_cloudbuild.yaml b/build/release/post_cloudbuild.yaml
index c5e6fe05a8..fe652dcaef 100644
--- a/build/release/post_cloudbuild.yaml
+++ b/build/release/post_cloudbuild.yaml
@@ -13,6 +13,17 @@
 # limitations under the License.
 
 steps:
+  #
+  # Shallow clone of Agones/main branch from the main repository
+  #
+  - name: "gcr.io/cloud-builders/git"
+    dir: "/workspace"
+    args:
+      - "clone"
+      - "--depth=1"
+      - "--branch=main"
+      - "https://github.com/googleforgames/agones.git"
+
   #
   # Restore any caches
   #
diff --git a/build/release/pre_cloudbuild.yaml b/build/release/pre_cloudbuild.yaml
index 3e66c7ed1f..689817ed7c 100644
--- a/build/release/pre_cloudbuild.yaml
+++ b/build/release/pre_cloudbuild.yaml
@@ -13,6 +13,17 @@
 # limitations under the License.
 
 steps:
+  #
+  # Shallow clone of Agones/main branch from the main repository
+  #
+  - name: "gcr.io/cloud-builders/git"
+    dir: "/workspace"
+    args:
+      - "clone"
+      - "--depth=1"
+      - "--branch=main"
+      - "https://github.com/googleforgames/agones.git"
+
   #
   # Creates the initial make + docker build platform
   #