diff --git a/project/common.mk b/project/common.mk
index 152a1f4..c4c5132 100644
--- a/project/common.mk
+++ b/project/common.mk
@@ -3,6 +3,7 @@ API_SRCS = \
 INTERNAL_SRCS = \
 	src/client/toks_client_acquire.c \
 	src/client/toks_client_connect.c \
+	src/client/toks_client_release.c \
 	src/daemon/toks_daemon_acquire.c \
 	src/daemon/toks_daemon_connect.c \
 	src/daemon/toks_daemon_init.c \
diff --git a/src/client/toks_client_release.c b/src/client/toks_client_release.c
new file mode 100644
index 0000000..87a5b4d
--- /dev/null
+++ b/src/client/toks_client_release.c
@@ -0,0 +1,45 @@
+/*********************************************************/
+/*  toksvc: a framework-native token broker service      */
+/*  Copyright (C) 2020  Z. Gilboa                        */
+/*  Released under GPLv2 and GPLv3; see COPYING.TOKSVC.  */
+/*********************************************************/
+
+#include <psxtypes/psxtypes.h>
+#include <ntapi/ntapi.h>
+
+#include <toksvc/toksvc.h>
+#include "toksvc_driver_impl.h"
+#include "toksvc_daemon_impl.h"
+
+int32_t toks_client_release(struct toks_driver_ctx * dctx)
+{
+	int32_t			status;
+	void *			hport;
+	struct _nt_tty_ipc_msg	msg;
+	struct _nt_port_keys *	keys;
+
+	hport = toks_get_driver_hservice(dctx);
+	keys  = toks_get_driver_keys(dctx);
+
+	ntapi->tt_aligned_block_memset(
+		&msg,0,sizeof(msg));
+
+	msg.header.msg_type	= NT_LPC_NEW_MESSAGE;
+	msg.header.data_size	= sizeof(msg.data);
+	msg.header.msg_size	= sizeof(msg);
+	msg.data.ttyinfo.opcode	= TOKS_DAEMON_RELEASE;
+
+	msg.data.ipcinfo.ipckeys[0] = keys->key[0];
+	msg.data.ipcinfo.ipckeys[1] = keys->key[1];
+	msg.data.ipcinfo.ipckeys[2] = keys->key[2];
+	msg.data.ipcinfo.ipckeys[3] = keys->key[3];
+	msg.data.ipcinfo.ipckeys[4] = keys->key[4];
+	msg.data.ipcinfo.ipckeys[5] = keys->key[5];
+
+	if ((status = ntapi->zw_request_wait_reply_port(hport,&msg,&msg)))
+		return status;
+
+	return (msg.data.ttyinfo.status)
+		? msg.data.ttyinfo.status
+		: NT_STATUS_SUCCESS;
+}