diff --git a/Project.toml b/Project.toml
index 2e616ee2..e568b052 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "ArrayInterface"
 uuid = "4fba245c-0d91-5ea0-9b3e-6abc04ee57a9"
-version = "7.26.0"
+version = "7.27.0"
 
 [deps]
 Adapt = "79e6a3ab-5dfb-504d-930d-738a2a938a0e"
@@ -14,6 +14,7 @@ CUDA = "052768ef-5323-5732-b1bb-66c8b64840ba"
 CUDSS = "45b445bb-4962-46a0-9369-b4df9d0f772e"
 ChainRules = "082447d4-558c-5d27-93f4-14fc19e9eca2"
 ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
+FillArrays = "1a297f60-69ca-5386-bcde-b61e274b549b"
 GPUArraysCore = "46192b85-c4d5-4398-a991-12ede77f4527"
 Metal = "dde4c033-4e86-420c-a63e-0dd931031962"
 ReverseDiff = "37e2e3b7-166d-5795-8a7a-e32c996b4267"
@@ -29,6 +30,7 @@ ArrayInterfaceCUDAExt = "CUDA"
 ArrayInterfaceCUDSSExt = ["CUDSS", "CUDA"]
 ArrayInterfaceChainRulesCoreExt = "ChainRulesCore"
 ArrayInterfaceChainRulesExt = "ChainRules"
+ArrayInterfaceFillArraysExt = "FillArrays"
 ArrayInterfaceGPUArraysCoreExt = "GPUArraysCore"
 ArrayInterfaceMetalExt = "Metal"
 ArrayInterfaceReverseDiffExt = "ReverseDiff"
@@ -46,6 +48,7 @@ CUDSS = "0.6.1, 0.7, 0.8"
 ChainRules = "1"
 ChainRulesCore = "1"
 ChainRulesTestUtils = "1"
+FillArrays = "1"
 GPUArraysCore = "0.1, 0.2"
 LinearAlgebra = "1.10"
 Metal = "1"
diff --git a/ext/ArrayInterfaceFillArraysExt.jl b/ext/ArrayInterfaceFillArraysExt.jl
new file mode 100644
index 00000000..ba6a30f0
--- /dev/null
+++ b/ext/ArrayInterfaceFillArraysExt.jl
@@ -0,0 +1,9 @@
+module ArrayInterfaceFillArraysExt
+
+using ArrayInterface: ArrayInterface
+using FillArrays: AbstractFill, OneElement
+
+ArrayInterface.can_setindex(::Type{<:AbstractFill}) = false
+ArrayInterface.can_setindex(::Type{<:OneElement}) = false
+
+end
diff --git a/test/fillarrays.jl b/test/fillarrays.jl
new file mode 100644
index 00000000..6b5236b8
--- /dev/null
+++ b/test/fillarrays.jl
@@ -0,0 +1,11 @@
+using ArrayInterface, FillArrays, Test
+
+@test !ArrayInterface.can_setindex(Fill(1.0, 3))
+@test !ArrayInterface.can_setindex(typeof(Fill(1.0, 3)))
+@test !ArrayInterface.can_setindex(Ones(3))
+@test !ArrayInterface.can_setindex(Zeros(3))
+@test !ArrayInterface.can_setindex(typeof(Zeros(2, 2)))
+
+oe = OneElement(3.0, 2, 4)
+@test !ArrayInterface.can_setindex(oe)
+@test !ArrayInterface.can_setindex(typeof(oe))
diff --git a/test/runtests.jl b/test/runtests.jl
index cd47c19f..c312622a 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -16,6 +16,7 @@ end
         @time @safetestset "AD Integration" begin include("ad.jl") end
         @time @safetestset "StaticArrays" begin include("staticarrays.jl") end
         @time @safetestset "ChainRules" begin include("chainrules.jl") end
+        @time @safetestset "FillArrays" begin include("fillarrays.jl") end
     end
 
     if GROUP == "GPU"