diff --git a/flowlauncher/FlowLauncher.py b/flowlauncher/FlowLauncher.py
index 4891f92..9e511fd 100644
--- a/flowlauncher/FlowLauncher.py
+++ b/flowlauncher/FlowLauncher.py
@@ -4,7 +4,7 @@
 import inspect
 import sys
 
-import demjson
+import demjson3
 
 
 class FlowLauncher:
@@ -18,7 +18,7 @@ def __init__(self):
         self.rpc_request = {'method': 'query', 'parameters': ['']}
         self.debugMessage = ""
         if len(sys.argv) > 1:  # from input to get jsonrpc
-            self.rpc_request = demjson.decode(sys.argv[1])
+            self.rpc_request = demjson3.decode(sys.argv[1])
 
         # proxy is not working now
         # self.proxy = self.rpc_request.get("proxy", {})
@@ -31,7 +31,7 @@ def __init__(self):
         results = request_method(*request_parameters)
 
         if request_method_name in ("query", "context_menu"):
-            print(demjson.encode({
+            print(demjson3.encode({
                 "result": results,
                 "debugMessage": self.debugMessage
             }))
diff --git a/flowlauncher/FlowLauncherAPI.py b/flowlauncher/FlowLauncherAPI.py
index 030bcbe..3da5da4 100644
--- a/flowlauncher/FlowLauncherAPI.py
+++ b/flowlauncher/FlowLauncherAPI.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-import demjson
+import demjson3
 
 
 class FlowLauncherAPI:
@@ -10,7 +10,7 @@ def change_query(cls, query, requery: bool = False):
         """
         change flow launcher query
         """
-        print(demjson.encode({
+        print(demjson3.encode({
             "method": "Flow.Launcher.ChangeQuery",
             "parameters": [query, requery]}))
 
@@ -19,7 +19,7 @@ def shell_run(cls, cmd):
         """
         run shell commands
         """
-        print(demjson.encode({
+        print(demjson3.encode({
             "method": "Flow.Launcher.ShellRun",
             "parameters": [cmd]}))
 
@@ -28,7 +28,7 @@ def close_app(cls):
         """
         close flow launcher
         """
-        print(demjson.encode({
+        print(demjson3.encode({
             "method": "Flow.Launcher.CloseApp",
             "parameters": []}))
 
@@ -37,7 +37,7 @@ def hide_app(cls):
         """
         hide flow launcher
         """
-        print(demjson.encode({
+        print(demjson3.encode({
             "method": "Flow.Launcher.HideApp",
             "parameters": []}))
 
@@ -46,7 +46,7 @@ def show_app(cls):
         """
         show flow launcher
         """
-        print(demjson.encode({
+        print(demjson3.encode({
             "method": "Flow.Launcher.ShowApp",
             "parameters": []}))
 
@@ -55,7 +55,7 @@ def show_msg(cls, title: str, sub_title: str, ico_path: str = ""):
         """
         show messagebox
         """
-        print(demjson.encode({
+        print(demjson3.encode({
             "method": "Flow.Launcher.ShowMsg",
             "parameters": [title, sub_title, ico_path]}))
 
@@ -64,7 +64,7 @@ def open_setting_dialog(cls):
         """
         open setting dialog
         """
-        print(demjson.encode({
+        print(demjson3.encode({
             "method": "Flow.Launcher.OpenSettingDialog",
             "parameters": []}))
 
@@ -73,7 +73,7 @@ def start_loadingbar(cls):
         """
         start loading animation in flow launcher
         """
-        print(demjson.encode({
+        print(demjson3.encode({
             "method": "Flow.Launcher.StartLoadingBar",
             "parameters": []}))
 
@@ -82,7 +82,7 @@ def stop_loadingbar(cls):
         """
         stop loading animation in flow launcher
         """
-        print(demjson.encode({
+        print(demjson3.encode({
             "method": "Flow.Launcher.StopLoadingBar",
             "parameters": []}))
 
@@ -91,6 +91,6 @@ def reload_plugins(cls):
         """
         reload all flow launcher plugins
         """
-        print(demjson.encode({
+        print(demjson3.encode({
             "method": "Flow.Launcher.ReloadPlugins",
             "parameters": []}))
diff --git a/requirements.txt b/requirements.txt
index 2b2afd6..80842d9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1 @@
-demjson
\ No newline at end of file
+demjson3