diff --git a/dwm.c b/dwm.c
index ff7e096..aab76b2 100644
--- a/dwm.c
+++ b/dwm.c
@@ -2132,13 +2132,28 @@ main(int argc, char *argv[])
 		die("dwm-"VERSION "\n");
 	else if (argc != 1)
 		die("usage: dwm [-v]\n");
+#if defined(__OpenBSD__)
+	if (pledge("stdio rpath dns unix prot_exec proc exec", NULL) < 0) {
+		die("pledge\n");
+	}
+#endif
 	if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
 		fputs("warning: no locale support\n", stderr);
 	if (!(dpy = XOpenDisplay(NULL)))
 		die("dwm: cannot open display\n");
+#if defined(__OpenBSD__)
+	if (pledge("stdio rpath prot_exec proc exec", NULL) < 0) {
+		die("pledge\n");
+	}
+#endif
 	checkotherwm();
 	setup();
 	scan();
+#if defined(__OpenBSD__)
+	if (pledge("stdio proc exec", NULL) < 0) {
+		die("pledge\n");
+	}
+#endif
 	run();
 	cleanup();
 	XCloseDisplay(dpy);