--- a/python/mozbuild/mozbuild/action/zip.py
+++ b/python/mozbuild/mozbuild/action/zip.py
@@ -15,25 +15,27 @@ import argparse
 import mozpack.path as mozpath
 import sys
 
 def main(args):
     parser = argparse.ArgumentParser()
     parser.add_argument("-C", metavar='DIR', default=".",
                         help="Change to given directory before considering "
                         "other paths")
+    parser.add_argument("--strip", action='store_true',
+                        help="Strip executables")
     parser.add_argument("zip", help="Path to zip file to write")
     parser.add_argument("input", nargs="+",
                         help="Path to files to add to zip")
     args = parser.parse_args(args)
 
     jarrer = Jarrer(optimize=False)
 
     with errors.accumulate():
-        finder = FileFinder(args.C)
+        finder = FileFinder(args.C, find_executables=args.strip)
         for path in args.input:
             for p, f in finder.find(path):
                 jarrer.add(p, f)
         jarrer.copy(mozpath.join(args.C, args.zip))
 
 
 if __name__ == '__main__':
     main(sys.argv[1:])

--- a/toolkit/mozapps/installer/upload-files.mk
+++ b/toolkit/mozapps/installer/upload-files.mk
@@ -71,17 +71,17 @@ ifdef MSVC_CXX_RUNTIME_DLL
   JSSHELL_BINS += $(MSVC_CXX_RUNTIME_DLL)
 endif
 
 ifdef WIN_UCRT_REDIST_DIR
   JSSHELL_BINS += $(notdir $(wildcard $(DIST)/bin/api-ms-win-*.dll))
   JSSHELL_BINS += ucrtbase.dll
 endif
 
-MAKE_JSSHELL  = $(call py_action,zip,-C $(DIST)/bin $(abspath $(PKG_JSSHELL)) $(JSSHELL_BINS))
+MAKE_JSSHELL  = $(call py_action,zip,-C $(DIST)/bin --strip $(abspath $(PKG_JSSHELL)) $(JSSHELL_BINS))
 
 JARLOG_DIR = $(topobjdir)/jarlog/
 JARLOG_FILE_AB_CD = $(JARLOG_DIR)/$(AB_CD).log
 
 TAR_CREATE_FLAGS := --exclude=.mkdir.done $(TAR_CREATE_FLAGS)
 CREATE_FINAL_TAR = $(TAR) -c --owner=0 --group=0 --numeric-owner \
   --mode=go-w --exclude=.mkdir.done -f
 UNPACK_TAR       = tar -xf-