diff --git a/docker/Dockerfile.asmjs-unknown-emscripten b/docker/Dockerfile.asmjs-unknown-emscripten
index 179954a3f..d91664604 100644
--- a/docker/Dockerfile.asmjs-unknown-emscripten
+++ b/docker/Dockerfile.asmjs-unknown-emscripten
@@ -9,7 +9,7 @@ RUN /cmake.sh
 COPY xargo.sh /
 RUN /xargo.sh
 
-COPY --from=trzeci/emscripten:1.38.46-upstream /emsdk_portable /emsdk_portable
+COPY --from=trzeci/emscripten:1.39.20-upstream /emsdk_portable /emsdk_portable
 
 ENV EMSDK /emsdk_portable
 ENV EMSCRIPTEN=${EMSDK}/emscripten/sdk
diff --git a/docker/Dockerfile.wasm32-unknown-emscripten b/docker/Dockerfile.wasm32-unknown-emscripten
index 7b0340faf..8aec8da97 100644
--- a/docker/Dockerfile.wasm32-unknown-emscripten
+++ b/docker/Dockerfile.wasm32-unknown-emscripten
@@ -9,7 +9,7 @@ RUN /cmake.sh
 COPY xargo.sh /
 RUN /xargo.sh
 
-COPY --from=trzeci/emscripten:1.38.46-upstream /emsdk_portable /emsdk_portable
+COPY --from=trzeci/emscripten:1.39.20-upstream /emsdk_portable /emsdk_portable
 
 ENV EMSDK /emsdk_portable
 ENV EMSCRIPTEN=${EMSDK}/emscripten/sdk
@@ -27,5 +27,4 @@ RUN apt-get update && apt-get install --assume-yes --no-install-recommends \
   libxml2 \
   python
 
-COPY node-wasm /usr/local/bin/
-ENV CARGO_TARGET_WASM32_UNKNOWN_EMSCRIPTEN_RUNNER=node-wasm
+ENV CARGO_TARGET_WASM32_UNKNOWN_EMSCRIPTEN_RUNNER=node
diff --git a/docker/node-wasm b/docker/node-wasm
deleted file mode 100755
index 14ea7928e..000000000
--- a/docker/node-wasm
+++ /dev/null
@@ -1,48 +0,0 @@
-#!/usr/bin/env bash
-
-set -e
-
-# Workaround for
-# https://github.com/kripken/emscripten/issues/4542
-
-# Consider a project with this structure:
-#
-# ├── src
-# │   ├── bin
-# │   │   └── prog.rs
-# │   └── lib.rs
-# ├── benches
-# │   └── b.rs
-# ├── examples
-# │   └── a.rs
-# └── tests
-#     └── t.rs
-#
-# We expect that the artifacts will be generated in
-#
-# `target/wasm32-unknown-emscripten/{debug,release}/deps/`
-# (for tests and benches)
-#
-# `target/wasm32-unknown-emscripten/{debug,release}/examples/`
-# for examples
-#
-# `target/wasm32-unknown-emscripten/{debug,release}/`
-# for main programs (`main.rs` and `bin/*.rs`)
-#
-# Because of https://github.com/kripken/emscripten/issues/4542
-# the script must be executed from where the dependencies are.
-
-path="$(dirname "${1}")"
-file="$(basename "${1}")"
-base="$(basename "${path}")"
-
-if [[ "${base}" != "deps" ]] && [[ "${base}" != "examples" ]]; then
-  # main programs requeries the artifacts in `${path}/deps`
-  cd "${path}/deps"
-  exec node "../${file}"
-else
-  # all deps of tests, benches and examples are in `${path}` dir
-  cd "${path}"
-  exec node "${file}"
-fi
-