diff --git a/emsdk_manifest.json b/emsdk_manifest.json
index 2559816..f16a7d0 100644
--- a/emsdk_manifest.json
+++ b/emsdk_manifest.json
@@ -452,6 +452,12 @@
     "uses": ["clang-incoming-64bit", "node-0.10.18-64bit", "emscripten-incoming"],
     "os": "osx"
   },
+  {
+    "version": "incoming",
+    "bitness": 32,
+    "uses": ["clang-incoming-32bit", "emscripten-incoming"],
+    "os": "linux"
+  },
   {
     "version": "incoming",
     "bitness": 64,
@@ -476,6 +482,12 @@
     "uses": ["clang-master-64bit", "node-0.10.18-64bit", "emscripten-master"],
     "os": "osx"
   },
+  {
+    "version": "master",
+    "bitness": 32,
+    "uses": ["clang-master-32bit", "emscripten-master"],
+    "os": "linux"
+  },
   {
     "version": "master",
     "bitness": 64,