1.39.12 (#465)

diff --git a/emscripten-releases-tags.txt b/emscripten-releases-tags.txt
index 04e5206..81ae6d4 100644
--- a/emscripten-releases-tags.txt
+++ b/emscripten-releases-tags.txt
@@ -1,6 +1,7 @@
 {
-  "latest": "1.39.11",
+  "latest": "1.39.12",
   "releases": {
+    "1.39.12": "e13b86d4dbd9a986525ef27d4ad8157949b9bc3a",
     "1.39.11": "6584e2d88570ee55914db92a3bad84f99e5bdd82",
     "1.39.10": "65d33d604d3fa0ebe03548378b898fc6608e9cb8",
     "1.39.9":  "122396dfad60e1b2a83ccefa74a1425a2e05b5cb",