diff --git a/ci/makeMockCompiler.js b/ci/makeMockCompiler.js
index d0a64c2439..9f1e851579 100644
--- a/ci/makeMockCompiler.js
+++ b/ci/makeMockCompiler.js
@@ -3,7 +3,7 @@
 var fs = require('fs')
 var compiler = require('solc')
 var compilerInput = require('remix-solidity').CompilerInput
-var defaultVersion = 'v0.5.11+commit.c082d0b4'
+var defaultVersion = 'v0.5.12+commit.7709ece9'
 
 compiler.loadRemoteVersion(defaultVersion, (error, solcSnapshot) => {
   if (error) console.log(error)
diff --git a/package.json b/package.json
index 430ac43340..82b123dc0e 100644
--- a/package.json
+++ b/package.json
@@ -153,7 +153,7 @@
     "build_debugger": "browserify src/app/debugger/remix-debugger/index.js -o src/app/debugger/remix-debugger/build/app.js",
     "browsertest": "sleep 5 && npm run nightwatch_local",
     "csslint": "csslint --ignore=order-alphabetical --errors='errors,duplicate-properties,empty-rules' --exclude-list='assets/css/font-awesome.min.css' assets/css/",
-    "downloadsolc_root": "wget --no-check-certificate https://solc-bin.ethereum.org/bin/soljson-v0.5.11+commit.c082d0b4.js -O soljson.js",
+    "downloadsolc_root": "wget --no-check-certificate https://solc-bin.ethereum.org/bin/soljson-v0.5.12+commit.7709ece9.js -O soljson.js",
     "lint": "standard | notify-error",
     "make-mock-compiler": "node ci/makeMockCompiler.js",
     "minify": "uglifyjs --in-source-map inline --source-map-inline -c warnings=false",
diff --git a/src/app/tabs/compileTab/compilerContainer.js b/src/app/tabs/compileTab/compilerContainer.js
index 948cd8a825..20abb71fcc 100644
--- a/src/app/tabs/compileTab/compilerContainer.js
+++ b/src/app/tabs/compileTab/compilerContainer.js
@@ -23,7 +23,7 @@ class CompilerContainer {
       timeout: 300,
       allversions: null,
       selectedVersion: null,
-      defaultVersion: 'soljson-v0.5.11+commit.c082d0b4.js', // this default version is defined: in makeMockCompiler (for browser test) and in package.json (downloadsolc_root) for the builtin compiler
+      defaultVersion: 'soljson-v0.5.12+commit.7709ece9.js', // this default version is defined: in makeMockCompiler (for browser test) and in package.json (downloadsolc_root) for the builtin compiler
       baseurl: 'https://solc-bin.ethereum.org/bin'
     }
   }