diff --git a/assets/windows/conhost/OpenConsole.exe b/assets/windows/conhost/OpenConsole.exe
index b30ab68a0d1..d51afde2f20 100644
Binary files a/assets/windows/conhost/OpenConsole.exe and b/assets/windows/conhost/OpenConsole.exe differ
diff --git a/assets/windows/conhost/conpty.dll b/assets/windows/conhost/conpty.dll
index 8587271f347..5af979a6a83 100644
Binary files a/assets/windows/conhost/conpty.dll and b/assets/windows/conhost/conpty.dll differ
diff --git a/docs/changelog.md b/docs/changelog.md
index c4cf4db8e8b..0d6841e1581 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -25,6 +25,7 @@ As features stabilize some brief notes about them will accumulate here.
 * Fixed: OSC 7 (current working directory) now works with paths that contain spaces and other special characters. Thanks to [@Arvedui](https://github.com/Arvedui)! [#799](https://github.com/wez/wezterm/pull/799)
 * Changed: the homebrew tap is now a Cask that installs to the /Applications directory on macOS. Thanks to [@laggardkernel](https://github.com/laggardkernel)!
 * New: bold and/or italics are now synthesized for fonts when the matching font is not actually italic or doesn't match the requested weight. [#815](https://github.com/wez/wezterm/issues/815)
+* Updated: conpty.dll to v1.9.1445.0; fixes color bar artifacts when resizing window and allows win32 console applications to use mouse events
 
 ### 20210502-154244-3f7122cb
 
diff --git a/pty/src/win/psuedocon.rs b/pty/src/win/psuedocon.rs
index 4d4c84bb456..2929c694337 100644
--- a/pty/src/win/psuedocon.rs
+++ b/pty/src/win/psuedocon.rs
@@ -25,6 +25,9 @@ use winapi::um::wincon::COORD;
 
 pub type HPCON = HANDLE;
 
+pub const PSEUDOCONSOLE_RESIZE_QUIRK: DWORD = 0x2;
+pub const PSEUDOCONSOLE_WIN32_INPUT_MODE: DWORD = 0x4;
+
 shared_library!(ConPtyFuncs,
     pub fn CreatePseudoConsole(
         size: COORD,
@@ -79,7 +82,7 @@ impl PsuedoCon {
                 size,
                 input.as_raw_handle(),
                 output.as_raw_handle(),
-                0,
+                PSEUDOCONSOLE_RESIZE_QUIRK | PSEUDOCONSOLE_WIN32_INPUT_MODE,
                 &mut con,
             )
         };