diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 239816b..5af813a 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -25,7 +25,6 @@ jobs:
         version:
           - '1.12'
           - '1.10'
-          - '1.6'
           - 'pre'
         os:
           - ubuntu-latest
diff --git a/Project.toml b/Project.toml
index 22656de..09d3dae 100644
--- a/Project.toml
+++ b/Project.toml
@@ -13,5 +13,5 @@ nauty_jll = "55c6dc9b-343a-50ca-8ff2-b71adb3733d5"
 Graphs = "1.9"
 LinearAlgebra = "1"
 SHA = "0.7, 1"
-julia = "1.6"
+julia = "1.10"
 nauty_jll = "2.8.9"
diff --git a/test/densenautygraph.jl b/test/densenautygraph.jl
index 5b790c7..ece1eed 100644
--- a/test/densenautygraph.jl
+++ b/test/densenautygraph.jl
@@ -1,17 +1,14 @@
-rng = Random.Random.MersenneTwister(0) # Use MersenneTwister for Julia 1.6 compat
-symmetrize_adjmx(A) = (A = convert(typeof(A), (A + A') .> 0); for i in axes(A, 1); end; A)
-
 @testset "densenautygraph" begin
     nverts = [1, 2, 3, 4, 5, 10, 20, 31, 32, 33, 50, 63, 64, 
               65, 100, 122, 123, 124, 125, 126, 200, 500, 1000]
-    As = [rand(rng, [0, 1], i, i) for i in nverts]
+    As = [rand(rng, 0:1, i, i) for i in nverts]
 
     wtypes = [UInt16, UInt32, UInt64]
 
     gs = []
     ngs = []
     for A in As, wt in wtypes
-        Asym = symmetrize_adjmx(A)
+        Asym = Int.((A + A') .> 0)
         push!(gs, Graph(Asym))
         push!(gs, DiGraph(A))
         push!(ngs, NautyGraph{wt}(Asym))
diff --git a/test/graphset.jl b/test/graphset.jl
index 72114bb..53832db 100644
--- a/test/graphset.jl
+++ b/test/graphset.jl
@@ -1,5 +1,3 @@
-rng = Random.Random.MersenneTwister(0) # Use MersenneTwister for Julia 1.6 compat
-
 function test_graphsets(A; mfacts)
     n, _ = size(A)
     for mf in mfacts
diff --git a/test/runtests.jl b/test/runtests.jl
index 1a29d37..d62705a 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -4,12 +4,14 @@ using Test
 using Random, LinearAlgebra
 using Base.Threads
 
+rng = Random.Xoshiro(0) 
+
 @testset verbose=true "NautyGraphs" begin
     include("densenautygraph.jl")
     include("nauty.jl")
     include("graphset.jl")
     include("utils.jl")
-    VERSION >= v"1.9-" && include("interface.jl")
-    include("aqua.jl")
-    VERSION >= v"1.10" && include("jet.jl")
+    include("interface.jl")
+    VERSION >= v"1.12" && include("aqua.jl")
+    VERSION >= v"1.12" && include("jet.jl")
 end