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Hi everyone, I am currently facing troubles to notarize the MacOS app I distribute to our customer. I successfully signed my executable and the dmg that packages it with my Apple Developer certificate. I then successfully submitted a notarization ticket for my dmg by using "xcrun notarytool submit" command line. Nevertheless when reading the log, my notarization fails because of the following error in the json output: { "severity": "error", "code": null, "path": "MyDMG.dmg/MyApp.app/Contents/Resources/sklearn/.dylibs/libomp.dylib", "message": "The binary is not signed with a valid Developer ID certificate.", "docUrl": "https://developer.apple.com/documentation/security/notarizing_macos_software_before_distribution/resolving_common_notarization_issues#3087721", "architecture": "i386" } When running codesign -dv MyApp.app/Contents/Resources/sklearn/.dylibs/libomp.dylib I see indeed that the existing signature seems to lack some valid elements (Team ID...): Identifier=libomp-55554944b4aef647421b3b93bf0a9f6317d56c44 Format=Mach-O universal (i386 x86_64) CodeDirectory v=20400 size=4104 flags=0x2(adhoc) hashes=122+2 location=embedded Signature=adhoc Info.plist=not bound TeamIdentifier=not set Sealed Resources=none Internal requirements count=0 size=12 I tried to sign it with my Apple Developer certificate with codesign using the "-f" option to erase the existing signature but it seems like it is impossible because I get the following error: dist/dmg/Vib3s.app/Contents/Resources/sklearn/.dylibs/libomp.dylib: library validation flag cannot be used with an i386 binary When I check again the file the signature indeed didn't change. I also tried using an entitlements.plist file and setting the com.apple.security.cs.disable-library-validation option to true doesn't work. Would you guys know the proper way to proceed to successfully notarize my app please?