diff --git a/hooks/post_gen_project.py b/hooks/post_gen_project.py
index 165f7cc..367bfc2 100644
--- a/hooks/post_gen_project.py
+++ b/hooks/post_gen_project.py
@@ -10,3 +10,16 @@
 # Delete all remaining stubs
 for stub in BIN_PATH.glob("Stub-*"):
     os.unlink(stub)
+
+# The codesign utility in recent macOS fails with obscure errors when presented with
+# CRLF line endings, but in some configurations (e.g. global `core.autocrlf=true`)
+# git may have checked out this repo in a way that put CRLF line endings in Entitlements.plist.
+# The following is thus a no-op most of the time, but it's a simple rewrite of a small file.
+ENTITLEMENTS_PATH = Path("Entitlements.plist")
+# This implicitly uses "universal" newlines mode.
+xml_content = ENTITLEMENTS_PATH.read_text()
+ENTITLEMENTS_PATH.open('w', newline='\n').write(xml_content)
+
+INFO_PATH = BIN_PATH.parent / 'Info.plist'
+info_content = INFO_PATH.read_text()
+INFO_PATH.open('w', newline='\n').write(info_content)