diff --git a/apps/remix-ide-e2e/src/tests/solidityImport.spec.ts b/apps/remix-ide-e2e/src/tests/solidityImport.spec.ts
index 8be5c1899c..74f99edeae 100644
--- a/apps/remix-ide-e2e/src/tests/solidityImport.spec.ts
+++ b/apps/remix-ide-e2e/src/tests/solidityImport.spec.ts
@@ -80,7 +80,7 @@ module.exports = {
 
   'Test NPM Import (with unpkg.com)': function (browser: NightwatchBrowser) {
     browser
-      .setSolidityCompilerVersion('soljson-v0.8.1+commit.df193b15.js')
+      .setSolidityCompilerVersion('soljson-v0.8.4+commit.c7e474f2.js')
       .clickLaunchIcon('filePanel')
       .click('li[data-id="treeViewLitreeViewItemREADME.txt"')
       .addFile('Untitled9.sol', sources[8]['Untitled9.sol'])
diff --git a/apps/remix-ide/ci/makeMockCompiler.js b/apps/remix-ide/ci/makeMockCompiler.js
index 3cd5c9ab1a..b73c2b7ae1 100644
--- a/apps/remix-ide/ci/makeMockCompiler.js
+++ b/apps/remix-ide/ci/makeMockCompiler.js
@@ -3,7 +3,7 @@
 var fs = require('fs')
 var compiler = require('solc')
 var compilerInput = require('@remix-project/remix-solidity').CompilerInput
-var defaultVersion = 'soljson-v0.8.1+commit.df193b15.js'
+var defaultVersion = 'soljson-v0.8.4+commit.c7e474f2.js'
 const path = require('path')
 
 compiler.loadRemoteVersion(defaultVersion, (error, solcSnapshot) => {
diff --git a/apps/remix-ide/src/app/tabs/compileTab/compilerContainer.js b/apps/remix-ide/src/app/tabs/compileTab/compilerContainer.js
index 73d0802bf4..6c09d0586e 100644
--- a/apps/remix-ide/src/app/tabs/compileTab/compilerContainer.js
+++ b/apps/remix-ide/src/app/tabs/compileTab/compilerContainer.js
@@ -24,7 +24,7 @@ class CompilerContainer {
       timeout: 300,
       allversions: null,
       selectedVersion: null,
-      defaultVersion: 'soljson-v0.8.1+commit.df193b15.js' // this default version is defined: in makeMockCompiler (for browser test)
+      defaultVersion: 'soljson-v0.8.4+commit.c7e474f2.js' // this default version is defined: in makeMockCompiler (for browser test)
     }
   }
 
@@ -527,7 +527,7 @@ class CompilerContainer {
   // fetching both normal and wasm builds and creating a [version, baseUrl] map
   async fetchAllVersion (callback) {
     let selectedVersion, allVersionsWasm, isURL
-    let allVersions = [{ path: 'builtin', longVersion: 'Stable local version - 0.7.4' }]
+    let allVersions = [{ path: 'builtin', longVersion: 'Stable local version - 0.8.4' }]
     // fetch normal builds
     const binRes = await promisedMiniXhr(`${baseURLBin}/list.json`)
     // fetch wasm builds
diff --git a/package-lock.json b/package-lock.json
index ef1e85062f..144c35c778 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17419,7 +17419,7 @@
     "express-ws": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/express-ws/-/express-ws-4.0.0.tgz",
-      "integrity": "sha512-KEyUw8AwRET2iFjFsI1EJQrJ/fHeGiJtgpYgEWG3yDv4l/To/m3a2GaYfeGyB3lsWdvbesjF5XCMx+SVBgAAYw==",
+      "integrity": "sha1-2r2NyXRRZBiQKkH+bjDtlJtNNsQ=",
       "requires": {
         "ws": "^5.2.0"
       },
@@ -17427,7 +17427,7 @@
         "ws": {
           "version": "5.2.2",
           "resolved": "https://registry.npmjs.org/ws/-/ws-5.2.2.tgz",
-          "integrity": "sha512-jaHFD6PFv6UgoIVda6qZllptQsMlDEJkTQcybzzXDYM1XO9Y8em691FGMPmM46WGyLU4z9KMgQN+qrux/nhlHA==",
+          "integrity": "sha1-3/7xSGa46NyRM1glFNG++vlumA8=",
           "requires": {
             "async-limiter": "~1.0.0"
           }
diff --git a/package.json b/package.json
index 7d76a5123d..403e253716 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
     "bumpVersion:libs": "gulp & gulp syncLibVersions;",
     "browsertest": "sleep 5 && npm run nightwatch_local",
     "csslint": "csslint --ignore=order-alphabetical --errors='errors,duplicate-properties,empty-rules' --exclude-list='apps/remix-ide/src/assets/css/font-awesome.min.css' apps/remix-ide/src/assets/css/",
-    "downloadsolc_assets": "wget --no-check-certificate https://binaries.soliditylang.org/bin/soljson-v0.8.1+commit.df193b15.js -O ./apps/remix-ide/src/assets/js/soljson.js",
+    "downloadsolc_assets": "wget --no-check-certificate https://binaries.soliditylang.org/bin/soljson-v0.8.4+commit.c7e474f2.js -O ./apps/remix-ide/src/assets/js/soljson.js",
     "make-mock-compiler": "node apps/remix-ide/ci/makeMockCompiler.js",
     "minify": "uglifyjs --in-source-map inline --source-map-inline -c warnings=false",
     "nightwatch_parallel": "npm run build:e2e && nightwatch --config dist/apps/remix-ide-e2e/nightwatch.js --env=chrome,firefox",