diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 805a2149dc3..dd80a24da53 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -592,3 +592,31 @@ jobs:
         working-directory: ./aws-lc-rs
         # Rust doc tests dislike dynamic linking
         run: cargo careful test --tests --features fips,bindgen
+
+  clang-19-bindgen:
+    if: github.repository_owner == 'aws'
+    name: Clang 19.1 + bindgen tests
+    runs-on: macos-14-xlarge
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: 'recursive'
+      - uses: actions/setup-go@v4
+        with:
+          go-version: '>=1.18'
+      - uses: dtolnay/rust-toolchain@master
+        id: toolchain
+        with:
+          toolchain: stable
+      - run: |
+          cargo install --force --locked bindgen-cli
+          brew update
+          brew uninstall --force llvm
+          brew install llvm@19
+          echo 'export PATH="/opt/homebrew/opt/llvm/bin:$PATH"' >> "$GITHUB_ENV"
+      - name: aws-lc-sys bindgen build
+        working-directory: ./aws-lc-sys
+        run: cargo test --features bindgen
+      - name: aws-lc-fips-sys bindgen build
+        working-directory: ./aws-lc-fips-sys
+        run: cargo test --features bindgen
diff --git a/aws-lc-fips-sys/builder/main.rs b/aws-lc-fips-sys/builder/main.rs
index b700686d6c3..51ca79e7a52 100644
--- a/aws-lc-fips-sys/builder/main.rs
+++ b/aws-lc-fips-sys/builder/main.rs
@@ -336,12 +336,20 @@ fn is_bindgen_required() -> bool {
 bindgen_available!(
     fn internal_bindgen_supported() -> bool {
         let cv = bindgen::clang_version();
-        if let Some((major, _)) = cv.parsed {
+        if let Some((major, minor)) = cv.parsed {
             if major >= 19 {
-                return false;
+                emit_warning(&format!(
+                    "Clang v{major}.{minor} detected. Will not use internal bindgen."
+                ));
+                false
+            } else {
+                emit_warning(&format!("Clang v{major}.{minor} detected."));
+                true
             }
+        } else {
+            emit_warning(&format!("Clang version: {}", cv.full));
+            true
         }
-        true
     }
 );
 
diff --git a/aws-lc-sys/builder/main.rs b/aws-lc-sys/builder/main.rs
index 5fdbeadf00c..90772bf856e 100644
--- a/aws-lc-sys/builder/main.rs
+++ b/aws-lc-sys/builder/main.rs
@@ -407,12 +407,20 @@ fn is_bindgen_required() -> bool {
 bindgen_available!(
     fn internal_bindgen_supported() -> bool {
         let cv = bindgen::clang_version();
-        if let Some((major, _)) = cv.parsed {
+        if let Some((major, minor)) = cv.parsed {
             if major >= 19 {
-                return false;
+                emit_warning(&format!(
+                    "Clang v{major}.{minor} detected. Will not use internal bindgen."
+                ));
+                false
+            } else {
+                emit_warning(&format!("Clang v{major}.{minor} detected."));
+                true
             }
+        } else {
+            emit_warning(&format!("Clang version: {}", cv.full));
+            true
         }
-        true
     }
 );