# DiffEqPhysics restricts ForwardDiff version

**URL:** <https://discourse.julialang.org/t/diffeqphysics-restricts-forwarddiff-version/131565>\
**Category:** General Usage\
**Tags:** question, package\
**Created:** [August 12, 2025, 3:55pm UTC](https://discourse.julialang.org/t/diffeqphysics-restricts-forwarddiff-version/131565 "2025-08-12T15:55:02Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![liamh](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/liamh/32/208541_2.png) [@liamh](https://discourse.julialang.org/u/liamh)\
**Post date:** [August 12, 2025, 3:55pm UTC](https://discourse.julialang.org/t/diffeqphysics-restricts-forwarddiff-version/131565/1 "2025-08-12T15:55:02Z")

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I am unable to load a package I am writing because DiffEqPhysics restricts the version of ForwardDiff to 0.10.38, but 1.0.1 is installed. Is there a reason for this restriction, and is it possible to override it?

Julia Version 1.11.4 (2025-03-10)

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**Author:** ![Oscar\_Smith](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/oscar_smith/32/25343_2.png) [@Oscar\_Smith](https://discourse.julialang.org/u/Oscar_Smith)\
**Post date:** [August 12, 2025, 4:30pm UTC](https://discourse.julialang.org/t/diffeqphysics-restricts-forwarddiff-version/131565/2 "2025-08-12T16:30:55Z")

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good catch: [update ForwardDiff compat by oscardssmith · Pull Request #91 · SciML/DiffEqPhysics.jl · GitHub](https://github.com/SciML/DiffEqPhysics.jl/pull/91)

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**Author:** ![Oscar\_Smith](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/oscar_smith/32/25343_2.png) [@Oscar\_Smith](https://discourse.julialang.org/u/Oscar_Smith)\
**Post date:** [August 12, 2025, 6:01pm UTC](https://discourse.julialang.org/t/diffeqphysics-restricts-forwarddiff-version/131565/3 "2025-08-12T18:01:26Z")

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Fix should be registered in ~30 minutes