diff --git a/Cargo.toml b/Cargo.toml
index 4e96e5f494..4e7b31daa9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,3 +14,7 @@ opt-level = 3
 [profile.bench]
 debug = 1
 opt-level = 3
+
+[patch.crates-io]
+wasm-bindgen = { git = 'https://github.com/rustwasm/wasm-bindgen' }
+wasm-bindgen-test = { git = 'https://github.com/rustwasm/wasm-bindgen' }
diff --git a/ci/docker/wasm32-unknown-unknown/Dockerfile b/ci/docker/wasm32-unknown-unknown/Dockerfile
index 453af264a2..734d0bf2ad 100644
--- a/ci/docker/wasm32-unknown-unknown/Dockerfile
+++ b/ci/docker/wasm32-unknown-unknown/Dockerfile
@@ -17,9 +17,17 @@ RUN make -C wabt -j$(nproc)
 ENV PATH=$PATH:/wabt/bin
 
 # Install `wasm-bindgen-test-runner`
-RUN curl -L https://github.com/rustwasm/wasm-bindgen/releases/download/0.2.15/wasm-bindgen-0.2.15-x86_64-unknown-linux-musl.tar.gz \
-  | tar xzf -
-ENV PATH=$PATH:/wasm-bindgen-0.2.15-x86_64-unknown-linux-musl
+# RUN curl -L https://github.com/rustwasm/wasm-bindgen/releases/download/0.2.15/wasm-bindgen-0.2.15-x86_64-unknown-linux-musl.tar.gz \
+#   | tar xzf -
+# ENV PATH=$PATH:/wasm-bindgen-0.2.15-x86_64-unknown-linux-musl
+# TODO: remove these lines once we can use published releases
+ENV CARGO_HOME=/cargo RUSTUP_HOME=/rustup
+ENV PATH=$PATH:/cargo/bin
+RUN curl https://sh.rustup.rs | sh -s -- -y
+ENV LIBZ_SYS_STATIC=1
+RUN cargo install --git https://github.com/rustwasm/wasm-bindgen \
+  wasm-bindgen-cli --features vendored-openssl
+
 ENV CARGO_TARGET_WASM32_UNKNOWN_UNKNOWN_RUNNER=wasm-bindgen-test-runner
 
 # Install `node`
diff --git a/ci/run-docker.sh b/ci/run-docker.sh
index 0c560c825c..5226363410 100755
--- a/ci/run-docker.sh
+++ b/ci/run-docker.sh
@@ -13,8 +13,8 @@ run() {
       --user `id -u`:`id -g` \
       --rm \
       --init \
-      --volume $HOME/.cargo:/cargo \
-      --env CARGO_HOME=/cargo \
+      --volume $HOME/.cargo:/cargo-h \
+      --env CARGO_HOME=/cargo-h \
       --volume `rustc --print sysroot`:/rust:ro \
       --env TARGET=$target \
       --env STDSIMD_TEST_EVERYTHING \
@@ -25,7 +25,7 @@ run() {
       --privileged \
       stdsimd \
       bash \
-      -c 'PATH=$PATH:/rust/bin exec ci/run.sh'
+      -c 'PATH=/rust/bin:$PATH exec ci/run.sh'
 }
 
 if [ -z "$1" ]; then
diff --git a/coresimd/wasm32/mod.rs b/coresimd/wasm32/mod.rs
index 1b0c82bb4e..054e187f9d 100644
--- a/coresimd/wasm32/mod.rs
+++ b/coresimd/wasm32/mod.rs
@@ -7,6 +7,11 @@ mod simd128;
 pub mod simd128;
 pub use self::simd128::*;
 
+#[cfg(test)]
+use stdsimd_test::assert_instr;
+#[cfg(test)]
+use wasm_bindgen_test::wasm_bindgen_test;
+
 extern "C" {
     #[link_name = "llvm.wasm.grow.memory.i32"]
     fn llvm_grow_memory(pages: i32) -> i32;
@@ -21,6 +26,7 @@ extern "C" {
 ///
 /// [instr]: https://github.com/WebAssembly/design/blob/master/Semantics.md#resizing
 #[inline]
+#[cfg_attr(test, assert_instr("memory.size"))]
 pub unsafe fn current_memory() -> i32 {
     llvm_current_memory()
 }
@@ -34,6 +40,7 @@ pub unsafe fn current_memory() -> i32 {
 ///
 /// [instr]: https://github.com/WebAssembly/design/blob/master/Semantics.md#resizing
 #[inline]
+#[cfg_attr(test, assert_instr("memory.grow"))]
 pub unsafe fn grow_memory(delta: i32) -> i32 {
     llvm_grow_memory(delta)
 }
diff --git a/crates/stdsimd-test/src/lib.rs b/crates/stdsimd-test/src/lib.rs
index 97d0825ec6..9f56363835 100644
--- a/crates/stdsimd-test/src/lib.rs
+++ b/crates/stdsimd-test/src/lib.rs
@@ -259,19 +259,13 @@ fn parse_dumpbin(output: &str) -> HashMap<String, Vec<Function>> {
 }
 
 
-#[cfg_attr(feature = "git_wasm_bindgen",
-           wasm_bindgen(module = "child_process"))]
-#[cfg_attr(not(feature = "git_wasm_bindgen"),
-           wasm_bindgen(module = "child_process", version = "*"))]
+#[wasm_bindgen(module = "child_process")]
 extern "C" {
     #[wasm_bindgen(js_name = execSync)]
     fn exec_sync(cmd: &str) -> Buffer;
 }
 
-#[cfg_attr(feature = "git_wasm_bindgen",
-           wasm_bindgen(module = "buffer"))]
-#[cfg_attr(not(feature = "git_wasm_bindgen"),
-           wasm_bindgen(module = "buffer", version = "*"))]
+#[wasm_bindgen(module = "buffer")]
 extern "C" {
     type Buffer;
     #[wasm_bindgen(method, js_name = toString)]