diff --git a/contrib/build-wine/prepare-wine.sh b/contrib/build-wine/prepare-wine.sh
index 14b6c69cb..c22353677 100755
--- a/contrib/build-wine/prepare-wine.sh
+++ b/contrib/build-wine/prepare-wine.sh
@@ -1,8 +1,8 @@
 #!/bin/bash
 
 PYINSTALLER_REPO="https://github.com/pyinstaller/pyinstaller.git"
-PYINSTALLER_COMMIT="413cce49ff28d87fad4472f4953489226ec90c84"
-# ^ tag "v5.11.0"
+PYINSTALLER_COMMIT="d1b6b520a017578a19e1cb9514752a4517755ee0"
+# ^ tag "v5.13.2"
 
 PYTHON_VERSION=3.11.9
 
diff --git a/contrib/osx/make_osx.sh b/contrib/osx/make_osx.sh
index f19174e93..9d7dff4cf 100755
--- a/contrib/osx/make_osx.sh
+++ b/contrib/osx/make_osx.sh
@@ -88,8 +88,8 @@ brew install autoconf automake libtool gettext coreutils pkgconfig
 
 info "Building PyInstaller."
 PYINSTALLER_REPO="https://github.com/pyinstaller/pyinstaller.git"
-PYINSTALLER_COMMIT="413cce49ff28d87fad4472f4953489226ec90c84"
-# ^ tag "v5.11.0"
+PYINSTALLER_COMMIT="d1b6b520a017578a19e1cb9514752a4517755ee0"
+# ^ tag "v5.13.2"
 (
     if [ -f "$CACHEDIR/pyinstaller/PyInstaller/bootloader/Darwin-64bit/runw" ]; then
         info "pyinstaller already built, skipping"
diff --git a/electrum/plugin.py b/electrum/plugin.py
index dc990735b..5b8963f20 100644
--- a/electrum/plugin.py
+++ b/electrum/plugin.py
@@ -97,7 +97,7 @@ class Plugins(DaemonThread):
             # FIXME pyinstaller binaries are packaging each built-in plugin twice:
             #       once as data and once as code. To honor the "no duplicates" rule below,
             #       we exclude the ones packaged as *code*, here:
-            if loader.__class__.__qualname__ == "FrozenImporter":
+            if loader.__class__.__qualname__ == "PyiFrozenImporter":
                 continue
             full_name = f'electrum.plugins.{name}'
             spec = importlib.util.find_spec(full_name)