diff --git a/.github/workflows/push-build.yaml b/.github/workflows/push-build.yaml
index 81af09b2d..7e17763a1 100644
--- a/.github/workflows/push-build.yaml
+++ b/.github/workflows/push-build.yaml
@@ -20,7 +20,8 @@ permissions:
 jobs:
   push-image-to-container-registry:
     runs-on: ubuntu-22.04
-    if: github.repository == 'rook/rook'
+    # Run in upstream rook/rook or fork subhamkrai/rook
+    if: github.repository == 'rook/rook' || github.repository == 'subhamkrai/rook'
     steps:
       - name: checkout
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
@@ -95,6 +96,15 @@ jobs:
           BRANCH_NAME: ${{ env.BRANCH_NAME }}
           AWS_USR: ${{ secrets.AWS_USR }}
           AWS_PSW: ${{ secrets.AWS_PSW }}
-          GITHUB_REF: $ {{ env.GITHUB_REF }}
+          GITHUB_REF: ${{ env.GITHUB_REF }}
         run: |
+          # Fork: push only to GHCR (no Docker Hub/Quay). Upstream unchanged.
+          if [ "${{ github.repository }}" != "rook/rook" ]; then
+            export GHCR_REGISTRY="ghcr.io/${{ github.repository_owner }}"
+            export DOCKER_REGISTRY="ghcr.io/${{ github.repository_owner }}"
+            export QUAY_REGISTRY="ghcr.io/${{ github.repository_owner }}"
+            export REGISTRIES="ghcr.io/${{ github.repository_owner }}"
+            [ -n "${{ secrets.S3_BUCKET_FORK }}" ] && export S3_BUCKET="${{ secrets.S3_BUCKET_FORK }}"
+            [ -n "${{ secrets.HELM_S3_BUCKET_FORK }}" ] && export HELM_S3_BUCKET="${{ secrets.HELM_S3_BUCKET_FORK }}"
+          fi
           tests/scripts/build-release.sh
diff --git a/build/release/Makefile b/build/release/Makefile
index eb7e6b718..6e8c4958e 100644
--- a/build/release/Makefile
+++ b/build/release/Makefile
@@ -56,6 +56,8 @@ FLAVORS ?= output images docs helm charts
 DOCKER_REGISTRY ?= docker.io/rook
 QUAY_REGISTRY ?= quay.io/rook
 GHCR_REGISTRY ?= ghcr.io/rook
+# Allow override from env (e.g. fork: REGISTRIES=ghcr.io/owner)
+ifeq ($(origin REGISTRIES),undefined)
 ifeq ($(TAGGED_RELEASE),false)
 # Publish always to dockerhub, including master and interim builds
 REGISTRIES = $(DOCKER_REGISTRY)
@@ -63,6 +65,7 @@ else
 # Publish the images to all registries for tagged releases
 REGISTRIES = $(DOCKER_REGISTRY) $(QUAY_REGISTRY) $(GHCR_REGISTRY)
 endif
+endif
 IMAGE_ARCHS := $(subst linux_,,$(filter linux_%,$(PLATFORMS)))
 IMAGE_PLATFORMS := $(subst _,/,$(subst $(SPACE),$(COMMA),$(filter linux_%,$(PLATFORMS))))
 IMAGE_PLATFORMS_COMMA := $(shell echo "$(IMAGE_PLATFORMS)" | sed 's/ /,/g' | sed 's/.$$//')
diff --git a/tests/scripts/build-release.sh b/tests/scripts/build-release.sh
index a193c287e..7fb77da32 100755
--- a/tests/scripts/build-release.sh
+++ b/tests/scripts/build-release.sh
@@ -36,9 +36,17 @@ if [ -f .env ]; then
     export $(grep -v '^#' .env | xargs -d '\n')
 fi
 
-# Use Git access token for accessing the docs repo if set
+# Use Git access token for accessing the docs repo if set.
+# In GitHub Actions when not in upstream rook/rook, default to fork's docs repo.
 # shellcheck disable=SC2034
-export DOCS_GIT_REPO="${DOCS_GIT_REPO:-git@github.com:rook/rook.github.io.git}"
+if [ -z "${DOCS_GIT_REPO:-}" ]; then
+    if [ -n "${GITHUB_REPOSITORY:-}" ] && [ "${GITHUB_REPOSITORY}" != "rook/rook" ]; then
+        DOCS_GIT_REPO="git@github.com:${GITHUB_REPOSITORY_OWNER:-unknown}/rook.github.io.git"
+    else
+        DOCS_GIT_REPO="git@github.com:rook/rook.github.io.git"
+    fi
+fi
+export DOCS_GIT_REPO
 if [ -n "${GIT_API_TOKEN}" ]; then
     DOCS_GIT_REPO="${DOCS_GIT_REPO//git@/}"
     DOCS_GIT_REPO="${DOCS_GIT_REPO//:/\/}"