diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d7e9aa86db4..899b21a02d8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -451,3 +451,35 @@ jobs:
         with:
           name: artifacts
           path: ./out/artifacts
+
+
+  protobuf-schemas:
+    runs-on: ubuntu-22.04
+    needs: detect-noop
+    if: needs.detect-noop.outputs.noop != 'true'
+
+    steps:
+
+      - name: Checkout
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+
+      - name: Setup Buf
+        uses: bufbuild/buf-setup-action@v1
+      
+      - name: Lint Protocol Buffers
+        uses: bufbuild/buf-lint-action@v1
+        with:
+          input: apis
+
+      - name: Detect Breaking Changes in Protocol Buffers
+        uses: bufbuild/buf-breaking-action@v1
+        with:
+          input: apis
+          against: "https://github.com/${GITHUB_REPOSITORY}.git#branch=master,subdir=apis"
+        
+      - name: Push Protocol Buffers to Buf Schema Registry
+        if: github.ref == 'refs/heads/master'
+        uses: bufbuild/buf-push-action@v1
+        with:
+          input: apis
+          buf_token: ${{ secrets.BUF_TOKEN }}
\ No newline at end of file
diff --git a/apis/buf.lock b/apis/buf.lock
new file mode 100644
index 00000000000..7f8e753487e
--- /dev/null
+++ b/apis/buf.lock
@@ -0,0 +1,7 @@
+# Generated by buf. DO NOT EDIT.
+version: v1
+deps:
+  - remote: buf.build
+    owner: protocolbuffers
+    repository: wellknowntypes
+    commit: 44e83bc050a4497fa7b36b34d95ca156
diff --git a/apis/buf.yaml b/apis/buf.yaml
new file mode 100644
index 00000000000..af88baa1155
--- /dev/null
+++ b/apis/buf.yaml
@@ -0,0 +1,10 @@
+version: v1
+name: buf.build/crossplane/crossplane
+deps:
+- buf.build/protocolbuffers/wellknowntypes:v24.4
+breaking:
+  use:
+    - FILE
+lint:
+  use:
+    - DEFAULT