diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index d4dcb67..4f53502 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -39,7 +39,7 @@ jobs:
       # Pin to a Base release tag so CI is not affected by Base master changes.
       # Update this tag when a new Base release is made.
       - name: Check out Base
-        run: git clone --depth 1 --branch v0.4.4 https://github.com/codeforester/base.git ../base
+        run: git clone --depth 1 --branch v0.4.4 https://github.com/basefoundry/base.git ../base
 
       - name: Set up Base
         run: ../base/bin/basectl setup base --no-notify
diff --git a/README.md b/README.md
index b7dc827..699c67b 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ runtime variety found in a medium-sized engineering organization.
 The long-term direction is documented in
 [Representative Environment Design](docs/representative-environment.md).
 `base-demo` is intentionally positioned between a toy sample and
-[`banyanlabs`](https://github.com/codeforester/banyanlabs): it borrows the
+[`banyanlabs`](https://github.com/basefoundry/banyanlabs): it borrows the
 shape of a realistic platform environment while keeping each service shallow so
 Base orchestration remains the point.
 
@@ -19,8 +19,8 @@ Base orchestration remains the point.
 Clone `base` and `base-demo` as peer directories:
 
 ```bash
-git clone https://github.com/codeforester/base.git
-git clone https://github.com/codeforester/base-demo.git
+git clone https://github.com/basefoundry/base.git
+git clone https://github.com/basefoundry/base-demo.git
 ```
 
 From the `base-demo` repository root on a machine where Base is already set up:
diff --git a/install.sh b/install.sh
index 4c9f920..7eb2554 100755
--- a/install.sh
+++ b/install.sh
@@ -5,11 +5,11 @@
 
 # Project-owned values.
 PROJECT_NAME="${PROJECT_NAME:-base-demo}"
-PROJECT_REPO_URL="${PROJECT_REPO_URL:-https://github.com/codeforester/base-demo.git}"
+PROJECT_REPO_URL="${PROJECT_REPO_URL:-https://github.com/basefoundry/base-demo.git}"
 WORKSPACE_DIR="${WORKSPACE_DIR:-$HOME/work}"
 BASE_DIR="${BASE_DIR:-$WORKSPACE_DIR/base}"
 PROJECT_DIR="${PROJECT_DIR:-$WORKSPACE_DIR/$PROJECT_NAME}"
-BASE_INSTALL_URL="${BASE_INSTALL_URL:-https://raw.githubusercontent.com/codeforester/base/master/install.sh}"
+BASE_INSTALL_URL="${BASE_INSTALL_URL:-https://raw.githubusercontent.com/basefoundry/base/master/install.sh}"
 RUN_UPDATE_PROFILE="${RUN_UPDATE_PROFILE:-true}"
 
 INSTALLER_TMP=""
diff --git a/services/go-api/go.mod b/services/go-api/go.mod
index b73d2d8..65844a5 100644
--- a/services/go-api/go.mod
+++ b/services/go-api/go.mod
@@ -1,3 +1,3 @@
-module github.com/codeforester/base-demo/services/go-api
+module github.com/basefoundry/base-demo/services/go-api
 
 go 1.21
diff --git a/tests/validate.sh b/tests/validate.sh
index 97f09d3..77ed997 100755
--- a/tests/validate.sh
+++ b/tests/validate.sh
@@ -116,6 +116,24 @@ grep -Fq '.base/activate.sh' base_manifest.yaml || {
   exit 1
 }
 
+stale_ref_scan_paths=(
+  README.md
+  install.sh
+  .github
+  services
+  docs
+  base_manifest.yaml
+  CHANGELOG.md
+  .ai-context
+)
+stale_github_refs="$(
+  grep -RInE '(github\.com|raw\.githubusercontent\.com)/codeforester|codeforester/(base-demo|banyanlabs|base)([^[:alnum:]_.-]|$)' "${stale_ref_scan_paths[@]}" || true
+)"
+if [[ -n "$stale_github_refs" ]]; then
+  printf 'Found stale codeforester GitHub references:\n%s\n' "$stale_github_refs" >&2
+  exit 1
+fi
+
 grep -Fq 'hello: ./src/hello.sh' base_manifest.yaml || {
   printf 'base_manifest.yaml does not declare the hello command.\n' >&2
   exit 1