diff --git a/src/etc/snapshot.py b/src/etc/snapshot.py
index 191e31138d1..5d1a448749a 100644
--- a/src/etc/snapshot.py
+++ b/src/etc/snapshot.py
@@ -27,24 +27,28 @@ snapshot_files = {
               "lib/libcore-*.so",
               "lib/libstd-*.so",
               "lib/librustc-*.so",
+              "lib/librustsyntax-*.so",
               "lib/librustrt.so",
               "lib/librustllvm.so"],
     "macos": ["bin/rustc",
               "lib/libcore-*.dylib",
               "lib/libstd-*.dylib",
               "lib/librustc-*.dylib",
+              "lib/librustsyntax-*.so",
               "lib/librustrt.dylib",
               "lib/librustllvm.dylib"],
     "winnt": ["bin/rustc.exe",
               "bin/core-*.dll",
               "bin/std-*.dll",
               "bin/rustc-*.dll",
+              "bin/rustsyntax-*.dll",
               "bin/rustrt.dll",
               "bin/rustllvm.dll"],
     "freebsd": ["bin/rustc",
                 "lib/libcore-*.so",
                 "lib/libstd-*.so",
                 "lib/librustc-*.so",
+                "lib/librustsyntax-*.so",
                 "lib/librustrt.so",
                 "lib/librustllvm.so"]
     }