Certiy 1Password 3.9.20 for Firefox 45.5.0 on MacBook, OS X 10.7.5?

I have an older MacBook which can only run Mac OSX Lion 10.7.5. I've been using 1Password 3.9.20 with Firefox 38.7.2. I just found that Mozilla has an Extended Support Release 45.5.0esr. I installed it but found 1Password is not certified for running on this release.

Can you please certify my version of 1Password on Firefox 45.5.0esr, so I don't have to buy another computer?
Hardware details:
Model Name: MacBook
Model Identifier: MacBook2,1
Processor Name: Intel Core 2 Duo
Processor Speed: 2 GHz
Number of Processors: 1
Total Number of Cores: 2
L2 Cache: 4 MB
Memory: 4 GB
Bus Speed: 667 MHz
Boot ROM Version: MB21.00A5.B07
SMC Version (system): 1.17f0
Serial Number (system): W87220ZQYA7
Hardware UUID: 00000000-0000-1000-8000-001B632E404F

1Password Version: 3.9.20
Extension Version: Not Provided
OS Version: OS X 10.7.5
Sync Type: local only
Referrer: forum-search: 1Password 3.9.20 for use on Firefox 45.5.0


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