diff --git a/.github/workflows/push.yaml b/.github/workflows/push.yaml
index 41f75f4c..4c701d3d 100644
--- a/.github/workflows/push.yaml
+++ b/.github/workflows/push.yaml
@@ -3,14 +3,20 @@ on: [push]
 name: push
 
 jobs:
-  renderling-build:
+  renderling-build-shaders:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
-      - run: cd shaders && cargo run --release && cd .. && cargo build
+      - run: |
+          rm -rf crates/renderling/src/linkage/*.spv
+          cd shaders && cargo run --release && cd ..
+          # ensure the shader binaries were properly checked in
+          git diff --exit-code --no-ext-diff crates/renderling/src/linkage
+          # ensure the shaders are valid for our uses (see renderling::linkage::validate_shaders)
+          cargo test -p renderling -- --nocapture linkage
 
   #renderling-test:
   #  runs-on: [ubuntu-latest, gpu]
diff --git a/crates/renderling/src/linkage/mod.rs b/crates/renderling/src/linkage/mod.rs
index bc5c4bd9..d5bbe760 100644
--- a/crates/renderling/src/linkage/mod.rs
+++ b/crates/renderling/src/linkage/mod.rs
@@ -27,7 +27,7 @@ mod test {
     #[test]
     // Ensure that the shaders can be converted to WGSL.
     // This is necessary for WASM using WebGPU, because WebGPU only accepts
-    // WGSL as a shading language.:w
+    // WGSL as a shading language.
     fn validate_shaders() {
         fn validate_src(path: &std::path::PathBuf) -> Result<(), SrcError> {
             let bytes = std::fs::read(path).context(ReadSnafu)?;
diff --git a/crates/renderling/src/linkage/stage-new_stage_vertex.spv b/crates/renderling/src/linkage/stage-new_stage_vertex.spv
index 04e87513..d4e22e32 100644
Binary files a/crates/renderling/src/linkage/stage-new_stage_vertex.spv and b/crates/renderling/src/linkage/stage-new_stage_vertex.spv differ
diff --git a/crates/renderling/src/linkage/stage-stage_fragment.spv b/crates/renderling/src/linkage/stage-stage_fragment.spv
index bb08524f..f201ca3d 100644
Binary files a/crates/renderling/src/linkage/stage-stage_fragment.spv and b/crates/renderling/src/linkage/stage-stage_fragment.spv differ
diff --git a/crates/renderling/src/linkage/tutorial-slabbed_render_unit.spv b/crates/renderling/src/linkage/tutorial-slabbed_render_unit.spv
index db213e69..a1f3008c 100644
Binary files a/crates/renderling/src/linkage/tutorial-slabbed_render_unit.spv and b/crates/renderling/src/linkage/tutorial-slabbed_render_unit.spv differ
diff --git a/crates/renderling/src/linkage/tutorial-slabbed_vertices.spv b/crates/renderling/src/linkage/tutorial-slabbed_vertices.spv
index 21f23995..69157296 100644
Binary files a/crates/renderling/src/linkage/tutorial-slabbed_vertices.spv and b/crates/renderling/src/linkage/tutorial-slabbed_vertices.spv differ
diff --git a/crates/renderling/src/linkage/tutorial-slabbed_vertices_no_instance.spv b/crates/renderling/src/linkage/tutorial-slabbed_vertices_no_instance.spv
index b4182e97..72db0623 100644
Binary files a/crates/renderling/src/linkage/tutorial-slabbed_vertices_no_instance.spv and b/crates/renderling/src/linkage/tutorial-slabbed_vertices_no_instance.spv differ