diff --git a/bazel/revisions.bzl b/bazel/revisions.bzl
index 75d8d1b..7b227c9 100644
--- a/bazel/revisions.bzl
+++ b/bazel/revisions.bzl
@@ -2,6 +2,13 @@
 # DO NOT MODIFY
 
 EMSCRIPTEN_TAGS = {
+    "3.1.20": struct(
+        hash = "d92c8639f406582d70a5dde27855f74ecf602f45",
+        sha_linux = "3b606d133489aac8cdfff4f99ff14a35563b1fafe658aa23f83694f77ed9467a",
+        sha_mac = "cc9ea1696bdb3f28778bac1cf4587a34e90830e1c64976cd205fd73e77566cd8",
+        sha_mac_arm64 = "b976410bf4fa1af9896be1c736634bfb56b2ef0f3386cd3cf39616ce47445cc0",
+        sha_win = "1e6806ee240ab838ae7eee618c57efc793195c62e4d167136507efcfa66d6c6d",
+    ),
     "3.1.19": struct(
         hash = "4c3772879a04140298c3abde90962d5567b5e2fc",
         sha_linux = "18d4a5bb93371fe1d4586db9804f673fff0c510d98713ec25b6bda1a8457230d",
diff --git a/emscripten-releases-tags.json b/emscripten-releases-tags.json
index 0d2788f..94f9e43 100644
--- a/emscripten-releases-tags.json
+++ b/emscripten-releases-tags.json
@@ -1,6 +1,6 @@
 {
   "aliases": {
-    "latest": "3.1.19",
+    "latest": "3.1.20",
     "latest-sdk": "latest",
     "latest-arm64-linux": "3.1.9",
     "latest-64bit": "latest",
@@ -10,6 +10,8 @@
     "latest-releases-upstream": "latest"
   },
   "releases": {
+    "3.1.20": "d92c8639f406582d70a5dde27855f74ecf602f45",
+    "3.1.20-asserts": "db0fd1cb7316675317d527b6ed4f4cc7005df9ec",
     "3.1.19": "4c3772879a04140298c3abde90962d5567b5e2fc",
     "3.1.19-asserts": "83c2ba526ec47139d29e1417ac23d15b37ead98a",
     "3.1.18": "49d45744895c7d7e28acd94a385d7ee361653b4a",