diff --git a/tools/widl/widl.c b/tools/widl/widl.c
index a99eed4e9dd..7dd61c91054 100644
--- a/tools/widl/widl.c
+++ b/tools/widl/widl.c
@@ -609,7 +609,17 @@ int main(int argc,char *argv[])
 #endif
   init_argv0_dir( argv[0] );
 
-  now = time(NULL);
+  {
+    const char* source_time = getenv("SOURCE_DATE_EPOCH");
+    if (source_time == NULL)
+    {
+      now = time(NULL);
+    }
+    else
+    {
+      now = atol(source_time);
+    }
+  }
 
   while((optc = getopt_long_only(argc, argv, short_options, long_options, &opti)) != EOF) {
     switch(optc) {
diff --git a/tools/widl/write_msft.c b/tools/widl/write_msft.c
index 7cfe9e146c9..1bd3658ddaa 100644
--- a/tools/widl/write_msft.c
+++ b/tools/widl/write_msft.c
@@ -2747,8 +2747,10 @@ int create_msft_typelib(typelib_t *typelib)
     
     /* midl adds two sets of custom data to the library: the current unix time
        and midl's version number */
-    time_override = getenv( "WIDL_TIME_OVERRIDE");
+    time_override = getenv("SOURCE_DATE_EPOCH");
     cur_time = time_override ? atol( time_override) : time(NULL);
+    time_override = getenv( "WIDL_TIME_OVERRIDE");
+    cur_time = time_override ? atol( time_override) : cur_time;
     sprintf(info_string, "Created by WIDL version %s at %s\n", PACKAGE_VERSION, ctime(&cur_time));
     set_custdata(msft, &midl_info_guid, VT_BSTR, info_string, &msft->typelib_header.CustomDataOffset);
     set_custdata(msft, &midl_time_guid, VT_UI4, &cur_time, &msft->typelib_header.CustomDataOffset);