diff --git a/bucket/emscripten.json b/bucket/emscripten.json
index 400da5d853..adb4a06cbc 100644
--- a/bucket/emscripten.json
+++ b/bucket/emscripten.json
@@ -1,6 +1,6 @@
 {
     "##": ".bat won't be able to modify shell sessions of PowerShell, Fish, Bash etc. Therefore env_add_path is required.",
-    "version": "3.1.19",
+    "version": "3.1.20",
     "description": "LLVM to WebAssembly compiler. Compiles C/C++ to WebAssembly that can be run on most web browsers.",
     "homepage": "https://emscripten.org/",
     "license": "MIT|NCSA",
@@ -10,11 +10,11 @@
     ],
     "architecture": {
         "64bit": {
-            "url": "https://github.com/emscripten-core/emsdk/archive/refs/tags/3.1.19.zip",
-            "hash": "37050c1287084286f70ce91f742800d556af45c7b8d3a55c18f3163cdc1bcfe7"
+            "url": "https://github.com/emscripten-core/emsdk/archive/refs/tags/3.1.20.zip",
+            "hash": "334e26ac1c0b32f26b8b85b09077eb88cc9493e0f69b9354f1656261cec2d244"
         }
     },
-    "extract_dir": "emsdk-3.1.19",
+    "extract_dir": "emsdk-3.1.20",
     "pre_install": "if(!(Test-Path \"$persist_dir\\.emscripten\")) {New-Item \"$dir\\.emscripten\" -ItemType File | Out-Null}",
     "env_add_path": ".",
     "shortcuts": [