diff --git a/cli/CMakeLists.txt b/cli/CMakeLists.txt
index c718185..83c37a9 100644
--- a/cli/CMakeLists.txt
+++ b/cli/CMakeLists.txt
@@ -1,7 +1,8 @@
 
 set(SOURCE
 		include/chiaki-cli.h
-		src/discover.c)
+		src/discover.c
+		src/wakeup.c)
 
 add_library(chiaki-cli-lib STATIC ${SOURCE})
 target_include_directories(chiaki-cli-lib PUBLIC "include")
diff --git a/cli/include/chiaki-cli.h b/cli/include/chiaki-cli.h
index 0bd1e1b..13743e0 100644
--- a/cli/include/chiaki-cli.h
+++ b/cli/include/chiaki-cli.h
@@ -26,6 +26,7 @@ extern "C" {
 #endif
 
 CHIAKI_EXPORT int chiaki_cli_cmd_discover(ChiakiLog *log, int argc, char *argv[]);
+CHIAKI_EXPORT int chiaki_cli_cmd_wakeup(ChiakiLog *log, int argc, char *argv[]);
 
 #ifdef __cplusplus
 }
diff --git a/cli/src/main.c b/cli/src/main.c
index 7395ba8..05f0b4c 100644
--- a/cli/src/main.c
+++ b/cli/src/main.c
@@ -27,7 +27,8 @@ static const char doc[] =
 	"CLI for Chiaki (PS4 Remote Play Client)"
 	"\v"
 	"Supported commands are:\n"
-	"  discover    Discover Consoles.\n";
+	"  discover    Discover Consoles.\n"
+	"  wakeup      Send Wakeup Packet.\n";
 
 #define ARG_KEY_VERBOSE 'v'
 
@@ -73,6 +74,8 @@ static int parse_opt(int key, char *arg, struct argp_state *state)
 		case ARGP_KEY_ARG:
 			if(strcmp(arg, "discover") == 0)
 				exit(call_subcmd(state, "discover", chiaki_cli_cmd_discover));
+			else if(strcmp(arg, "wakeup") == 0)
+				exit(call_subcmd(state, "wakeup", chiaki_cli_cmd_wakeup));
 			// fallthrough
 		case ARGP_KEY_END:
 			argp_usage(state);
diff --git a/cli/src/wakeup.c b/cli/src/wakeup.c
new file mode 100644
index 0000000..06a6220
--- /dev/null
+++ b/cli/src/wakeup.c
@@ -0,0 +1,92 @@
+/*
+ * This file is part of Chiaki.
+ *
+ * Chiaki is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Chiaki is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Chiaki.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <chiaki-cli.h>
+
+#include <chiaki/discovery.h>
+
+#include <argp.h>
+#include <string.h>
+
+static char doc[] = "Send a PS4 wakeup packet.";
+
+#define ARG_KEY_HOST 'h'
+#define ARG_KEY_REGISTKEY 'r'
+
+static struct argp_option options[] = {
+	{ "host", ARG_KEY_HOST, "Host", 0, "Host to send wakeup packet to", 0 },
+	{ "registkey", ARG_KEY_REGISTKEY, "RegistKey", 0, "PS4 registration key", 0 },
+	{ 0 }
+};
+
+typedef struct arguments
+{
+	const char *host;
+	const char *registkey;
+} Arguments;
+
+static int parse_opt(int key, char *arg, struct argp_state *state)
+{
+	Arguments *arguments = state->input;
+
+	switch(key)
+	{
+		case ARG_KEY_HOST:
+			arguments->host = arg;
+			break;
+		case ARG_KEY_REGISTKEY:
+			arguments->registkey = arg;
+			break;
+		case ARGP_KEY_ARG:
+			argp_usage(state);
+			break;
+		default:
+			return ARGP_ERR_UNKNOWN;
+	}
+
+	return 0;
+}
+
+static struct argp argp = { options, parse_opt, 0, doc, 0, 0, 0 };
+
+CHIAKI_EXPORT int chiaki_cli_cmd_wakeup(ChiakiLog *log, int argc, char *argv[])
+{
+	Arguments arguments = { 0 };
+	error_t argp_r = argp_parse(&argp, argc, argv, ARGP_IN_ORDER, NULL, &arguments);
+	if(argp_r != 0)
+		return 1;
+
+	if(!arguments.host)
+	{
+		fprintf(stderr, "No host specified, see --help.\n");
+		return 1;
+	}
+	if(!arguments.registkey)
+	{
+		fprintf(stderr, "No registration key specified, see --help.\n");
+		return 1;
+	}
+	if(strlen(arguments.registkey) > 8)
+	{
+		fprintf(stderr, "Given registkey is too long.\n");
+		return 1;
+	}
+
+	uint64_t credential = (uint64_t)strtoull(arguments.registkey, NULL, 16);
+
+	return chiaki_discovery_wakeup(log, NULL, arguments.host, credential);
+}
diff --git a/gui/src/main.cpp b/gui/src/main.cpp
index ec5ec30..3a2b449 100644
--- a/gui/src/main.cpp
+++ b/gui/src/main.cpp
@@ -40,7 +40,8 @@ struct CLICommand
 };
 
 static const QMap<QString, CLICommand> cli_commands = {
-	{ "discover", { chiaki_cli_cmd_discover } }
+	{ "discover", { chiaki_cli_cmd_discover } },
+	{ "wakeup", { chiaki_cli_cmd_wakeup } }
 };
 #endif