diff --git a/binaryen-tags.txt b/binaryen-tags.txt
index 4f886f1..560e0e5 100644
--- a/binaryen-tags.txt
+++ b/binaryen-tags.txt
@@ -38,4 +38,5 @@
 1.37.24
 1.37.25
 1.37.26
-1.37.27
\ No newline at end of file
+1.37.27
+1.37.28
\ No newline at end of file
diff --git a/emscripten-tags.txt b/emscripten-tags.txt
index dff7bb1..894a7a8 100644
--- a/emscripten-tags.txt
+++ b/emscripten-tags.txt
@@ -111,4 +111,5 @@
 1.37.24
 1.37.25
 1.37.26
-1.37.27
\ No newline at end of file
+1.37.27
+1.37.28
\ No newline at end of file
diff --git a/emsdk b/emsdk
index 509c8ea..3aa0b5d 100755
--- a/emsdk
+++ b/emsdk
@@ -1497,7 +1497,7 @@ def find_used_python():
   return None
 
 def version_key(ver):
-  return map(int, re.split('[._-]', ver))
+  return list(map(int, re.split('[._-]', ver)))
 
 # A sort function that is compatible with both Python 2 and Python 3 using a custom comparison function.
 def python_2_3_sorted(arr, cmp):