diff --git a/packages/https-proxy/lib/ca.coffee b/packages/https-proxy/lib/ca.js
similarity index 100%
rename from packages/https-proxy/lib/ca.coffee
rename to packages/https-proxy/lib/ca.js
diff --git a/packages/https-proxy/lib/proxy.coffee b/packages/https-proxy/lib/proxy.js
similarity index 100%
rename from packages/https-proxy/lib/proxy.coffee
rename to packages/https-proxy/lib/proxy.js
diff --git a/packages/https-proxy/lib/server.coffee b/packages/https-proxy/lib/server.js
similarity index 100%
rename from packages/https-proxy/lib/server.coffee
rename to packages/https-proxy/lib/server.js
diff --git a/packages/https-proxy/lib/util/parse.coffee b/packages/https-proxy/lib/util/parse.js
similarity index 100%
rename from packages/https-proxy/lib/util/parse.coffee
rename to packages/https-proxy/lib/util/parse.js
diff --git a/packages/https-proxy/test/helpers/certs.coffee b/packages/https-proxy/test/helpers/certs.js
similarity index 100%
rename from packages/https-proxy/test/helpers/certs.coffee
rename to packages/https-proxy/test/helpers/certs.js
diff --git a/packages/https-proxy/test/helpers/http_server.coffee b/packages/https-proxy/test/helpers/http_server.js
similarity index 100%
rename from packages/https-proxy/test/helpers/http_server.coffee
rename to packages/https-proxy/test/helpers/http_server.js
diff --git a/packages/https-proxy/test/helpers/https_server.coffee b/packages/https-proxy/test/helpers/https_server.js
similarity index 100%
rename from packages/https-proxy/test/helpers/https_server.coffee
rename to packages/https-proxy/test/helpers/https_server.js
diff --git a/packages/https-proxy/test/helpers/proxy.coffee b/packages/https-proxy/test/helpers/proxy.js
similarity index 100%
rename from packages/https-proxy/test/helpers/proxy.coffee
rename to packages/https-proxy/test/helpers/proxy.js
diff --git a/packages/https-proxy/test/integration/proxy_spec.coffee b/packages/https-proxy/test/integration/proxy_spec.js
similarity index 100%
rename from packages/https-proxy/test/integration/proxy_spec.coffee
rename to packages/https-proxy/test/integration/proxy_spec.js
diff --git a/packages/https-proxy/test/spec_helper.coffee b/packages/https-proxy/test/spec_helper.js
similarity index 100%
rename from packages/https-proxy/test/spec_helper.coffee
rename to packages/https-proxy/test/spec_helper.js
diff --git a/packages/https-proxy/test/unit/ca_spec.coffee b/packages/https-proxy/test/unit/ca_spec.js
similarity index 100%
rename from packages/https-proxy/test/unit/ca_spec.coffee
rename to packages/https-proxy/test/unit/ca_spec.js
diff --git a/packages/https-proxy/test/unit/server_spec.coffee b/packages/https-proxy/test/unit/server_spec.js
similarity index 100%
rename from packages/https-proxy/test/unit/server_spec.coffee
rename to packages/https-proxy/test/unit/server_spec.js