diff --git a/Vagrantfile b/Vagrantfile
index a3e8307b2..92266577f 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -201,7 +201,7 @@ def install_pyinstaller()
     . ~/.bash_profile
     cd /vagrant/borg
     . borg-env/bin/activate
-    pip install 'pyinstaller==5.13.2'
+    pip install 'pyinstaller==6.3.0'
   EOF
 end
 
diff --git a/scripts/msys2-install-deps b/scripts/msys2-install-deps
index a9a20f678..9c28f0ea9 100644
--- a/scripts/msys2-install-deps
+++ b/scripts/msys2-install-deps
@@ -1,4 +1,4 @@
 #!/bin/bash
 
 pacman -S --needed --noconfirm git mingw-w64-ucrt-x86_64-{toolchain,pkgconf,zstd,lz4,xxhash,openssl,python,cython,python-setuptools,python-wheel,python-build,python-pkgconfig,python-packaging,python-msgpack,python-pip}
-pip install pyinstaller==5.13.2
+pip install pyinstaller==6.3.0