diff --git a/.circleci/config.yml b/.circleci/config.yml
index 4dbdc3b..b88fd25 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -5,7 +5,7 @@ jobs:
     docker:
       # using custom image, see .circleci/images/primary/Dockerfile
       # - image: govgo/robotgoci:1.10.3
-      - image: golang:1.17.5
+      - image: golang:1.17.6
     working_directory: /gopath/src/github.com/go-vgo/robotgo
     steps:
       - checkout
diff --git a/.circleci/images/primary/Dockerfile b/.circleci/images/primary/Dockerfile
index 5b20e3d..e1bca46 100644
--- a/.circleci/images/primary/Dockerfile
+++ b/.circleci/images/primary/Dockerfile
@@ -1,5 +1,5 @@
 # FROM golang:1.10.1
-FROM golang:1.17.5-stretch AS build
+FROM golang:1.17.6-stretch AS build
 # FROM govgo/go:1.11.1
 
 RUN apt update && apt install -y --no-install-recommends \
diff --git a/appveyor.yml b/appveyor.yml
index 59ababd..8fe8495 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -34,7 +34,7 @@ environment:
       PATH: C:\msys64\mingw32\bin\;C:\Program Files (x86)\NSIS\;%PATH%
   # - COMPILER: MINGW_W64
   #   ARCHITECTURE: x64
-  GOVERSION: 1.17.5
+  GOVERSION: 1.17.6
   # GOPATH: c:\gopath
 
 # scripts that run after cloning repository
diff --git a/window/pub.h b/window/pub.h
index 2cf99d2..a781491 100644
--- a/window/pub.h
+++ b/window/pub.h
@@ -135,6 +135,7 @@ typedef struct _Bounds Bounds;
 
 			// Reinstate old handler
 			XSetErrorHandler(mOld);
+			XCloseDisplay(rDisplay);
 		}
 
 	// Definitions
@@ -182,6 +183,7 @@ typedef struct _Bounds Bounds;
 		WM_ACTIVE  = XInternAtom(rDisplay, "_NET_ACTIVE_WINDOW",           True);
 		WM_HINTS   = XInternAtom(rDisplay, "_MOTIF_WM_HINTS",              True);
 		WM_EXTENTS = XInternAtom(rDisplay, "_NET_FRAME_EXTENTS",           True);
+		XCloseDisplay(rDisplay);
 	}
 
 
@@ -219,6 +221,7 @@ typedef struct _Bounds Bounds;
 			XFree (result);
 		}
 
+		XCloseDisplay(rDisplay);
 		return NULL;
 	}
 
@@ -262,6 +265,7 @@ typedef struct _Bounds Bounds;
 				XFree(desktop);
 			}
 		}
+		XCloseDisplay(rDisplay);
 	}
 
 	static Bounds GetFrame(MData win){
diff --git a/window/win_sys.h b/window/win_sys.h
index 23abb1f..0a7cbe6 100644
--- a/window/win_sys.h
+++ b/window/win_sys.h
@@ -224,6 +224,8 @@ Bounds get_client(uintptr pid, uintptr isHwnd){
 		bounds.Y = y;
 		bounds.W = attr.width;
 		bounds.H = attr.height;
+		XCloseDisplay(rDisplay);
+		
 		return bounds;
 
 	#elif defined(IS_WINDOWS)
diff --git a/window/window.h b/window/window.h
index fcf1a6e..a8cba40 100644
--- a/window/window.h
+++ b/window/window.h
@@ -41,7 +41,7 @@ void initWindow(uintptr handle){
 	}
 
 	mData.XWin = 0;
-
+	XCloseDisplay(rDisplay);
 #elif defined(IS_WINDOWS)
 	mData.HWnd = 0;
 #endif
@@ -125,6 +125,7 @@ bool IsValid(){
 
 	// Free result and return true
 	XFree(result);
+	XCloseDisplay(rDisplay);
 	return true;
 
 #elif defined(IS_WINDOWS)
@@ -412,7 +413,7 @@ void SetActive(const MData win){
 		XSetInputFocus(rDisplay, win.XWin,
 						RevertToParent, CurrentTime);
 	}
-
+	XCloseDisplay(rDisplay);
 #elif defined(IS_WINDOWS)
 
 	if (IsMinimized()) {
@@ -502,6 +503,7 @@ MData GetActive(void){
 	Window window = None;
 	int revert = RevertToNone;
 	XGetInputFocus(rDisplay, &window, &revert);
+	XCloseDisplay(rDisplay);
 
 	// Return foreground window
 	result.XWin = window;
@@ -590,7 +592,7 @@ void close_window_by_Id(MData m_data){
 
 	// Close the window
 	XDestroyWindow(rDisplay, m_data.XWin);
-
+	XCloseDisplay(rDisplay);
 #elif defined(IS_WINDOWS)
 
 	PostMessage(m_data.HWnd, WM_CLOSE, 0, 0);