diff --git a/pkgs/development/compilers/emscripten/default.nix b/pkgs/development/compilers/emscripten/default.nix
index 0a99fa170b77..b8544d01ead3 100644
--- a/pkgs/development/compilers/emscripten/default.nix
+++ b/pkgs/development/compilers/emscripten/default.nix
@@ -7,7 +7,7 @@
 
 stdenv.mkDerivation rec {
   pname = "emscripten";
-  version = "3.1.14";
+  version = "3.1.15";
 
   llvmEnv = symlinkJoin {
     name = "emscripten-llvm-${version}";
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   src = fetchFromGitHub {
     owner = "emscripten-core";
     repo = "emscripten";
-    sha256 = "sha256-CVFC278ibwUMib2F64Uc7FP+D1JPUJ/9/3w0wz1PWqg=";
+    sha256 = "sha256-aRevSQZsJepRcoeRf5U504FV707ZarpiG8qbD/v3OPg=";
     rev = version;
   };
 
diff --git a/pkgs/development/compilers/emscripten/package.json b/pkgs/development/compilers/emscripten/package.json
index dfd416c3b5a6..7a5316b9b63a 100644
--- a/pkgs/development/compilers/emscripten/package.json
+++ b/pkgs/development/compilers/emscripten/package.json
@@ -1,6 +1,6 @@
 {
   "name": "emscripten",
-  "version": "3.1.14",
+  "version": "3.1.15",
   "private": true,
   "devDependencies": {
     "es-check": "^6.2.1",